Atomic Edge Proof of Concept automated generator using AI diff analysis
Published : May 7, 2026

CVE-2024-13362: Freemius <= 2.10.1 – Reflected DOM-Based Cross-Site Scripting via url Parameter (wp-meta-and-date-remover)

Severity Medium (CVSS 6.1)
CWE 79
Vulnerable Version 2.3.4
Patched Version 2.3.5
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 versions up to 2.10.1, affecting multiple WordPress plugins and themes that bundle the SDK. The issue stems from insufficient input sanitization and output escaping on the ‘url’ parameter. An unauthenticated attacker can inject arbitrary web scripts that execute in the victim’s browser if they click a crafted link.

Root Cause: The vulnerability originates in the Freemius core class file at `freemius/includes/class-freemius.php`. While the diff spans many changes (including new parallel activation, playground detection, and cron scheduling), the core XSS vector is in the `_add_sticky_dismiss_javascript()` method inside `freemius/includes/managers/class-fs-admin-notice-manager.php`. The method previously included a JavaScript template file without validating its existence and potentially reflected unfiltered data from the `url` parameter. The patch (lines 194-200 of the admin notice manager diff) adds a check that the template file exists before including it, but the deeper fix is in the updated template rendering logic that now sanitizes output via `fs_require_once_template()` with proper escaping.

Exploitation: An attacker crafts a malicious URL containing JavaScript in a `url` parameter that gets processed by the Freemius SDK. The payload is reflected into the page without adequate escaping, allowing arbitrary script execution. The attack requires social engineering to trick an administrator or user into clicking the crafted link. Typical endpoints that accept the `url` parameter include Freemius checkout, activation, and upgrade links processed by the SDK.

Patch Analysis: The patch (version 2.11.0) addresses the vulnerability by adding file existence checks before including templates, and by applying output escaping to user-controllable data passed to JavaScript contexts. The `_add_sticky_dismiss_javascript()` method now checks for the existence of `sticky-admin-notice-js.php` via `file_exists()` before including it. Additionally, the `url` and other user-supplied parameters are sanitized through Freemius’s built-in escaping functions such as `fs_esc_attr()` or `fs_htmlspecialchars()` in the updated template files (not fully shown in the diff but implied by the patched logic). The change from inline `sprintf()` with raw HTML to structured template loading ensures better context-aware escaping.

Impact: Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of the WordPress admin or front-end. This can lead to session hijacking, theft of administrative cookies, redirection to malicious sites, or performing unauthorized actions as the logged-in user. The CVSS score of 6.1 reflects medium severity due to user interaction requirements, but the potential for admin account takeover elevates the risk for sites using plugins that bundle a vulnerable Freemius SDK version.

Differential between vulnerable and patched code

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

Code Diff
--- a/wp-meta-and-date-remover/freemius/includes/class-freemius.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/class-fs-plugin-updater.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/entities/class-fs-plugin-plan.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/entities/class-fs-site.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/entities/class-fs-user.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/managers/class-fs-admin-menu-manager.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/includes/managers/class-fs-admin-notice-manager.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/start.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/templates/forms/license-activation.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/freemius/templates/pricing.php
+++ b/wp-meta-and-date-remover/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/wp-meta-and-date-remover/includes/Classes/WPDateRemover.php
+++ b/wp-meta-and-date-remover/includes/Classes/WPDateRemover.php
@@ -22,6 +22,9 @@
     function applyVisualRemoverCode() {
         $options = $this->getOptions();
         $classMap = $options['visualRemoverClassMap'];
+        if ( empty( $classMap ) ) {
+            return;
+        }
         foreach ( $classMap as $key => $value ) {
             //if current post id is $key
             $isHomePage = is_home() || is_front_page();
--- a/wp-meta-and-date-remover/wp-meta-and-date-remover.php
+++ b/wp-meta-and-date-remover/wp-meta-and-date-remover.php
@@ -6,14 +6,14 @@
  * Description: Remove meta and date information from posts and pages
  * Author: Prasad Kirpekar
  * Author URI: mailto:prasadkirpekar96@gmail.com
- * Version: 2.3.4
+ * Version: 2.3.5
  */
 if ( !defined( 'ABSPATH' ) ) {
     exit;
 }
 define( 'WPMDR_URL', plugin_dir_url( __FILE__ ) );
 define( 'WPMDR_DIR', plugin_dir_path( __FILE__ ) );
-define( 'WPMDR_VERSION', '2.3.4' );
+define( 'WPMDR_VERSION', '2.3.5' );
 if ( function_exists( 'wpmdr_fs' ) ) {
     wpmdr_fs()->set_basename( false, __FILE__ );
 } else {

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