CVE-2023-33922
📋 TL;DR
This CVE describes a missing authorization vulnerability in Elementor Website Builder for WordPress. It allows unauthorized users to perform actions that should require proper authentication, affecting all WordPress sites using Elementor versions up to 3.13.2.
💻 Affected Systems
- Elementor Website Builder
📦 What is this software?
Website Builder by Elementor
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attackers could modify website content, inject malicious scripts, or alter site configurations leading to complete site compromise.
Likely Case
Attackers could deface websites, inject ads or malicious content, or modify site elements without authorization.
If Mitigated
With proper access controls and monitoring, impact would be limited to unauthorized content modifications that could be detected and reverted.
🎯 Exploit Status
Broken access control vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.13.3 and later
Vendor Advisory: https://elementor.com/help/elementor-security-update/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Elementor and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable Elementor plugin until patched
wp plugin deactivate elementor
Access Restriction
linuxRestrict access to WordPress admin and Elementor endpoints via web server configuration
# Add to .htaccess for Apache:
<FilesMatch "\.(php|inc)$">
Order Deny,Allow
Deny from all
</FilesMatch>
# Add to nginx config:
location ~ /\.ht {
deny all;
}
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress admin interface.
- Enable comprehensive logging and monitoring for unauthorized access attempts to Elementor endpoints.
🔍 How to Verify
Check if Vulnerable:
Check Elementor plugin version in WordPress admin under Plugins > Installed Plugins
Check Version:
wp plugin get elementor --field=version
Verify Fix Applied:
Verify Elementor version is 3.13.3 or higher in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to Elementor endpoints
- Unexpected modifications to Elementor content or settings
- Access attempts from unusual IP addresses to /wp-admin/admin-ajax.php
Network Indicators:
- Unusual traffic patterns to Elementor-specific endpoints
- POST requests to Elementor API without proper authentication headers
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "elementor") AND http_method="POST" AND user_agent NOT IN ("normal_user_agents")