CVE-2024-49629
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Endless Posts Navigation plugin that can lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. All WordPress sites using Endless Posts Navigation versions up to 2.2.7 are affected.
💻 Affected Systems
- WordPress Endless Posts Navigation Plugin
📦 What is this software?
Endless Posts Navigation by Androidbubbles
⚠️ Risk & Real-World Impact
Worst Case
Attackers could inject malicious JavaScript that steals administrator credentials, redirects visitors to malicious sites, or takes full control of the WordPress site when administrators view infected pages.
Likely Case
Attackers inject tracking scripts, deface content, or create backdoors by exploiting administrator sessions through CSRF attacks.
If Mitigated
With proper CSRF protections and content security policies, the attack would fail or have limited impact even if attempted.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a compromised page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Endless Posts Navigation'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 2.2.8+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Endless Posts Navigation plugin until patched.
wp plugin deactivate endless-posts-navigation
Implement CSRF Protection Headers
allAdd Content Security Policy headers to limit script execution sources.
Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "script-src 'self'";
🧯 If You Can't Patch
- Remove the Endless Posts Navigation plugin completely from the WordPress installation.
- Implement strict access controls and monitor administrator account activity for suspicious behavior.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Endless Posts Navigation > Version. If version is 2.2.7 or earlier, you are vulnerable.
Check Version:
wp plugin get endless-posts-navigation --field=version
Verify Fix Applied:
Verify plugin version is 2.2.8 or later in WordPress admin panel. Test admin functions that use the plugin to ensure CSRF tokens are present.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with plugin-specific actions
- Administrator accounts making unexpected plugin configuration changes
Network Indicators:
- HTTP requests containing malicious script tags in POST parameters to WordPress admin endpoints
- Referer headers pointing to external malicious sites in admin requests
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND (action="epn_*" OR params CONTAINS "<script>"))