CVE-2024-13704
📋 TL;DR
The Super Testimonials WordPress plugin has a stored XSS vulnerability in the 'st_user_title' parameter that allows unauthenticated attackers to inject malicious scripts. These scripts execute automatically when users view compromised testimonial pages, potentially affecting all visitors to vulnerable WordPress sites.
💻 Affected Systems
- Super Testimonials WordPress Plugin
📦 What is this software?
Super Testimonials by Themepoints
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal admin credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, redirect to phishing pages, or display unwanted content.
If Mitigated
With proper WAF rules and content security policies, script execution would be blocked, limiting impact to script injection without execution.
🎯 Exploit Status
Attack requires no authentication and simple payload injection via testimonial submission forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 4.0.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Super Testimonials plugin
4. Click 'Update Now' if available
5. If no update available, deactivate and delete plugin
6. Install latest version from WordPress repository
🔧 Temporary Workarounds
Disable Testimonial Submission
allTemporarily disable public testimonial submission forms to prevent exploitation
WAF Rule Implementation
allAdd WAF rules to block XSS payloads in 'st_user_title' parameter
🧯 If You Can't Patch
- Deactivate and remove the Super Testimonials plugin immediately
- Implement Content Security Policy headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Super Testimonials version numberCheck Version:
wp plugin list --name=super-testimonials --field=versionVerify Fix Applied:
Verify plugin version is higher than 4.0.1 and test testimonial submission with XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to testimonial submission endpoints with script tags in parameters
- Multiple testimonial submissions from single IPs
Network Indicators:
- HTTP requests containing <script> tags in st_user_title parameter
SIEM Query:
source="wordpress.log" AND "st_user_title" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")