CVE-2025-22311
📋 TL;DR
This vulnerability allows attackers to include arbitrary local files via PHP's include/require statements in the Private Messages for UserPro WordPress plugin. Attackers can potentially execute malicious code or read sensitive files on affected WordPress installations. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Private Messages for UserPro 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
Remote code execution leading to complete server compromise, data theft, and website defacement.
Likely Case
Local file inclusion allowing attackers to read sensitive configuration files, potentially leading to database credentials exposure.
If Mitigated
Limited impact if file permissions are properly configured and web server runs with minimal privileges.
🎯 Exploit Status
Exploitation requires understanding of PHP file inclusion vulnerabilities and WordPress plugin structure. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 4.10.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Private Messages for UserPro'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable vulnerable plugin
WordPressDeactivate the Private Messages for UserPro plugin until patched version is available
wp plugin deactivate userpro-messaging
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block file inclusion patterns
- Restrict file permissions on sensitive configuration files and disable PHP execution in upload directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Private Messages for UserPro' version 4.10.0 or earlier
Check Version:
wp plugin get userpro-messaging --field=version
Verify Fix Applied:
Verify plugin version is higher than 4.10.0 in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual PHP include/require statements in web server logs
- Requests to plugin files with unusual parameters
Network Indicators:
- HTTP requests containing file path traversal patterns in plugin-related URLs
SIEM Query:
source="web_server_logs" AND (uri="*userpro-messaging*" AND (param="*../*" OR param="*php://*" OR param="*file=*"))