CVE-2024-54431
📋 TL;DR
This vulnerability in the WordPress Admin Customization plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into the WordPress admin interface. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Admin Customization plugin (also known as wpp-customization)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover through admin account compromise, data theft, malware distribution to visitors, and defacement of the WordPress admin interface.
Likely Case
Attackers inject malicious JavaScript into the WordPress admin panel, potentially stealing admin session cookies, redirecting users, or performing unauthorized administrative actions.
If Mitigated
Limited impact with proper CSRF protections and content security policies in place, though stored XSS payloads might still execute in admin sessions.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into visiting a malicious page. The CSRF-to-XSS chain makes this particularly dangerous as it bypasses typical XSS protections.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Admin Customization' or 'wpp-customization'. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin, then install the latest version from WordPress repository.
🔧 Temporary Workarounds
Temporary plugin deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate wpp-customization
CSRF protection headers
allImplement Content Security Policy and anti-CSRF tokens
Add to .htaccess: Header set X-Frame-Options "DENY"
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'"
Implement nonce verification in WordPress
🧯 If You Can't Patch
- Remove the Admin Customization plugin entirely and use alternative admin customization methods
- Restrict admin panel access to specific IP addresses using .htaccess or firewall rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Admin Customization' or 'wpp-customization' with version 2.2 or lowerCheck Version:
wp plugin get wpp-customization --field=versionVerify Fix Applied:
Verify plugin version is 2.3 or higher in WordPress admin plugins page📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with customization parameters
- JavaScript injection in plugin settings stored in database
- Multiple failed admin login attempts followed by successful login
Network Indicators:
- External domains loading in WordPress admin panel requests
- Unexpected iframe or script tags in admin interface responses
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND query="action=wpp_customization") OR (message="Admin Customization" AND message="settings")