CVE-2024-6138
📋 TL;DR
This vulnerability in the Secure Copy Content Protection and Content Locking WordPress plugin allows administrators to inject malicious scripts into plugin settings, which then execute when other users view affected pages. It affects WordPress sites using vulnerable plugin versions, particularly in multisite configurations where unfiltered_html is restricted.
💻 Affected Systems
- Secure Copy Content Protection and Content Locking WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Administrator account compromise leads to site-wide XSS infection, credential theft from all users, and complete site takeover.
Likely Case
Malicious admin injects scripts that steal session cookies or redirect users to phishing sites, affecting all users viewing plugin-protected content.
If Mitigated
With proper admin account security and monitoring, impact is limited to targeted attacks requiring admin credentials.
🎯 Exploit Status
Exploitation requires admin credentials but is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.9
Vendor Advisory: https://wpscan.com/vulnerability/9ef2a8d8-39d5-45d3-95de-e7bac4b7382d/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Secure Copy Content Protection and Content Locking'. 4. Click 'Update Now' if available, or download version 4.0.9+ from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
linuxTemporarily deactivate the plugin until patched
wp plugin deactivate secure-copy-content-protection
Restrict admin access
allImplement strict access controls and monitoring for admin accounts
🧯 If You Can't Patch
- Remove admin access from untrusted users and implement strict admin account monitoring
- Install web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed PluginsCheck Version:
wp plugin get secure-copy-content-protection --field=versionVerify Fix Applied:
Confirm plugin version is 4.0.9 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual admin activity modifying plugin settings
- JavaScript injection in plugin configuration fields
Network Indicators:
- Suspicious script tags in HTTP responses from plugin-protected pages
SIEM Query:
source="wordpress" AND (event="plugin_edit" OR event="settings_update") AND plugin="secure-copy-content-protection"