CVE-2025-31401
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress plugin 'MMX - Make Me Christmas' allows attackers to perform actions as authenticated users, leading to Stored Cross-Site Scripting (XSS). This affects WordPress sites using the plugin version 1.0.0 and earlier. Attackers can inject malicious scripts that execute when other users view affected pages.
💻 Affected Systems
- MMX - Make Me Christmas WordPress Plugin
⚠️ 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
Attackers could inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or performs administrative actions on the WordPress site, potentially leading to complete site compromise.
Likely Case
Attackers trick authenticated users into clicking malicious links that inject persistent scripts into the site, which then execute in visitors' browsers to steal session cookies or display malicious content.
If Mitigated
With proper CSRF tokens and input validation, the attack chain is broken, preventing both the CSRF and subsequent XSS exploitation.
🎯 Exploit Status
CSRF to Stored XSS chain requires social engineering to trick authenticated users but uses well-known attack patterns. No public exploit code identified yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'MMX - Make Me Christmas'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate mmx-make-me-christmas
Add CSRF Protection
allImplement custom CSRF tokens for plugin forms if you must keep it running
🧯 If You Can't Patch
- Deactivate and remove the plugin immediately
- Implement web application firewall rules to block suspicious POST requests to the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'MMX - Make Me Christmas' version 1.0.0 or earlier
Check Version:
wp plugin get mmx-make-me-christmas --field=version
Verify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin, or confirm plugin is deactivated/removed
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin-specific endpoints
- Multiple failed CSRF token validations
- JavaScript injection patterns in form submissions
Network Indicators:
- Unexpected POST requests from external sources to /wp-admin/admin-ajax.php with plugin-specific actions
- Cross-origin requests to plugin endpoints
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND action CONTAINS "mmx" OR plugin="mmx-make-me-christmas")