CVE-2024-11720
📋 TL;DR
This stored XSS vulnerability in the Frontend Admin WordPress plugin allows unauthenticated attackers to inject malicious scripts into submission forms. The scripts execute when users view affected pages, potentially compromising their browsers. Only WordPress sites using vulnerable plugin versions with lower-level user form access enabled are affected.
💻 Affected Systems
- Frontend Admin by DynamiApps WordPress plugin
📦 What is this software?
Frontend Admin by Dynamiapps
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal admin session cookies, redirect users to malicious sites, deface websites, or perform actions as authenticated users if combined with other vulnerabilities.
Likely Case
Attackers inject malicious scripts that steal user session cookies or credentials when users visit compromised pages, leading to account takeover.
If Mitigated
With proper input validation and output escaping, malicious scripts are neutralized before execution, preventing any impact.
🎯 Exploit Status
Exploitation requires finding sites with the vulnerable configuration enabled. Attackers can inject scripts via form submissions without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.24.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Frontend Admin by DynamiApps'. 4. Click 'Update Now' if available, or manually update to version 3.24.6+. 5. Verify update completes successfully.
🔧 Temporary Workarounds
Disable lower-level user form access
allRevoke access for lower-level users to submit forms through the plugin settings, returning to default configuration.
Implement WAF rules
allConfigure web application firewall to block XSS payloads in form submissions.
🧯 If You Can't Patch
- Disable the Frontend Admin plugin entirely until patched
- Restrict form submission access to trusted users only and monitor for suspicious submissions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Frontend Admin by DynamiApps'. If version is 3.24.5 or lower and lower-level user form access is enabled, the site is vulnerable.Check Version:
wp plugin list --name='Frontend Admin' --field=version (if WP-CLI installed)Verify Fix Applied:
Confirm plugin version is 3.24.6 or higher in WordPress admin panel. Test form submissions with basic XSS payloads to ensure they are sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual form submissions containing script tags or JavaScript code
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP POST requests to form endpoints containing suspicious script payloads
SIEM Query:
source="web_server_logs" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "frontend-admin"