CVE-2025-6588

6.1 MEDIUM

📋 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

Products:
  • FunnelCockpit WordPress Plugin
Versions: All versions up to and including 1.4.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with FunnelCockpit plugin active

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Block requests containing malicious script patterns in the error parameter

Disable Plugin

linux

Temporarily 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>*"

🔗 References

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