CVE-2025-62758
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in Funnelforms Free WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. When exploited, it can lead to session hijacking, defacement, or malware distribution. All WordPress sites using vulnerable versions of Funnelforms Free are affected.
💻 Affected Systems
- Funnelforms Free 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 steal administrator credentials, take over the WordPress site, install backdoors, and compromise all user data.
Likely Case
Attackers hijack user sessions, redirect visitors to malicious sites, or steal cookies and authentication tokens.
If Mitigated
Limited to defacement or nuisance attacks if proper Content Security Policy (CSP) and input validation are implemented.
🎯 Exploit Status
DOM-based XSS typically requires user interaction but can be automated via phishing or malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.9 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Funnelforms Free and click 'Update Now'. 4. Verify update to version 3.9 or higher.
🔧 Temporary Workarounds
Disable Funnelforms Free Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate funnelforms-free
Implement Content Security Policy
allAdd CSP headers to block inline scripts and restrict script sources.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self';"
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads.
- Disable user input fields in Funnelforms Free forms or restrict to trusted users only.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Funnelforms Free version 3.8 or lower.Check Version:
wp plugin get funnelforms-free --field=versionVerify Fix Applied:
Confirm Funnelforms Free version is 3.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Funnelforms Free endpoints with script tags or JavaScript payloads.
- Multiple failed login attempts or session hijacking alerts after form submissions.
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in form parameters.
- Outbound connections to suspicious domains from form submission handlers.
SIEM Query:
source="web_server" AND (uri="*funnelforms*" AND (payload="*<script>*" OR payload="*javascript:*"))