CVE-2025-6588
📋 TL;DR
The FunnelCockpit WordPress plugin contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts via the 'error' parameter. This affects all WordPress sites using FunnelCockpit versions 1.4.2 and earlier. Attackers can exploit this by tricking administrators into clicking malicious links.
💻 Affected Systems
- FunnelCockpit 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
Administrator account compromise leading to full site takeover, data theft, or malware distribution to visitors
Likely Case
Session hijacking, credential theft, or limited administrative actions performed under attacker control
If Mitigated
No impact if administrators don't click malicious links and proper web application firewalls are in place
🎯 Exploit Status
Exploitation requires social engineering to trick administrators into clicking malicious URLs
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.3 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3200000/funnelcockpit/trunk/admin/class-funnelcockpit-admin.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find FunnelCockpit and click 'Update Now'
4. Verify version is 1.4.3 or higher
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock requests containing malicious script patterns in the error parameter
Disable Plugin
linuxTemporarily deactivate FunnelCockpit plugin until patched
wp plugin deactivate funnelcockpit
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to prevent script execution
- Educate administrators about phishing risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → FunnelCockpit version number
Check Version:
wp plugin get funnelcockpit --field=version
Verify Fix Applied:
Verify plugin version is 1.4.3 or higher and test error parameter with script payloads
📡 Detection & Monitoring
Log Indicators:
- HTTP requests with script tags in error parameter
- Unusual admin page accesses with long error parameters
Network Indicators:
- Outbound connections to suspicious domains from admin sessions
- Unusual JavaScript execution patterns
SIEM Query:
source="web_access.log" AND uri="*error=*<script>*"