CVE-2025-23430
📋 TL;DR
This CSRF vulnerability in the Mass Custom Fields Manager WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions, which can lead to reflected XSS attacks. The vulnerability affects all versions up to 1.5 of the plugin. WordPress site administrators using this plugin are at risk.
💻 Affected Systems
- Mass Custom Fields Manager 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 hijack administrator sessions to inject malicious scripts, potentially compromising the entire WordPress site and stealing sensitive data.
Likely Case
Attackers trick administrators into clicking malicious links that execute unauthorized actions, potentially modifying site content or settings.
If Mitigated
With proper CSRF protections and user awareness, the attack surface is significantly reduced, though the vulnerability still exists in the code.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated users into clicking malicious links. The CSRF leads to reflected XSS.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Mass Custom Fields Manager'. 4. Click 'Update Now' if available, or manually update to latest version. 5. Verify update completes successfully.
🔧 Temporary Workarounds
Implement CSRF Tokens Manually
allAdd CSRF protection to plugin forms if you cannot update immediately
Not applicable - requires code modification
🧯 If You Can't Patch
- Disable the Mass Custom Fields Manager plugin temporarily
- Implement web application firewall rules to block CSRF attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Mass Custom Fields Manager version 1.5 or earlierCheck Version:
wp plugin list --name=mass-custom-fields-manager --field=version (if WP-CLI installed)Verify Fix Applied:
After updating, verify plugin version is higher than 1.5 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints without referrer headers
- Multiple failed CSRF token validations
Network Indicators:
- Unexpected cross-origin requests to plugin admin pages
- Suspicious redirects involving plugin URLs
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin.php?page=mass-custom-fields" OR plugin="mass-custom-fields-manager") AND (referrer="" OR referrer NOT CONTAINS domain)