CVE-2025-23660
📋 TL;DR
This CSRF vulnerability in Walter Cerrudo MFPlugin WordPress plugin allows attackers to trick authenticated administrators into performing actions that inject malicious scripts. When exploited, it enables stored cross-site scripting (XSS) attacks. All WordPress sites using MFPlugin versions up to 1.3 are affected.
💻 Affected Systems
- Walter Cerrudo MFPlugin 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 persistent malicious scripts that steal administrator credentials, deface websites, or redirect visitors to malicious sites when administrators are tricked into visiting specially crafted pages.
Likely Case
Attackers create fake admin panels or forms that trick logged-in administrators into unknowingly injecting malicious JavaScript, leading to session hijacking or content manipulation.
If Mitigated
With proper CSRF tokens and input validation, the attack vector is blocked, preventing unauthorized actions even if administrators visit malicious pages.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated administrators into performing actions. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Locate MFPlugin. 4. Click 'Update Now' if update is available. 5. If no update is available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to all form submissions and state-changing actions in the plugin code
Input Validation and Sanitization
allImplement strict input validation and output encoding for all user-controllable data
🧯 If You Can't Patch
- Deactivate and remove MFPlugin from all WordPress installations immediately
- Implement web application firewall (WAF) rules to block CSRF attempts and XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for MFPlugin version. If version is 1.3 or earlier, you are vulnerable.Check Version:
wp plugin list --name=mfplugin --field=version (if WP-CLI is installed)Verify Fix Applied:
After update, verify MFPlugin version is higher than 1.3 in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to MFPlugin admin endpoints without referrer headers
- Multiple failed CSRF token validations in WordPress debug logs
Network Indicators:
- HTTP requests with suspicious parameters being sent to MFPlugin endpoints
- Unexpected JavaScript injection in MFPlugin-related responses
SIEM Query:
source="wordpress.log" AND ("mfplugin" OR "MFPlugin") AND ("csrf" OR "nonce" OR "referer")