CVE-2024-13492
📋 TL;DR
The Guten Free Options WordPress plugin through version 0.9.5 contains a reflected cross-site scripting (XSS) vulnerability. Attackers can inject malicious scripts via unsanitized parameters, which execute when administrators or other high-privilege users view affected pages. This affects WordPress sites using vulnerable versions of the plugin.
💻 Affected Systems
- Guten Free Options WordPress Plugin
📦 What is this software?
⚠️ 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 of admin users, credential theft, or limited administrative actions performed under attacker control.
If Mitigated
No impact if proper input validation and output escaping are implemented, or if vulnerable plugin is disabled.
🎯 Exploit Status
Exploitation requires tricking authenticated users into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.6 or later
Vendor Advisory: https://wpscan.com/vulnerability/a4a75b75-4801-4ed4-bcc6-4874ac169562/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Guten Free Options' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate Guten Free Options plugin until patched version is available.
wp plugin deactivate guten-free-options
Web Application Firewall rule
allBlock malicious parameter patterns in web application firewall.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to prevent script execution from untrusted sources.
- Educate administrators about phishing risks and implement URL filtering for admin interfaces.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Guten Free Options version 0.9.5 or earlier.Check Version:
wp plugin get guten-free-options --field=versionVerify Fix Applied:
Confirm plugin version is 0.9.6 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual parameter values containing script tags in WordPress access logs
- Multiple failed XSS attempts against plugin endpoints
Network Indicators:
- HTTP requests with suspicious parameters containing JavaScript payloads to plugin-specific URLs
SIEM Query:
source="wordpress_access.log" AND uri="*guten-free-options*" AND (param="*<script>*" OR param="*javascript:*")