CVE-2024-37466
📋 TL;DR
This CVE describes a Cross-Site Scripting (XSS) vulnerability in the WordPress Mega Elements plugin that allows attackers to inject malicious scripts into web pages. The vulnerability affects users with contributor-level access or higher, potentially compromising site visitors. All WordPress sites using vulnerable versions of Mega Elements are affected.
💻 Affected Systems
- WordPress Mega Elements plugin
📦 What is this software?
Mega Elements by Kraftplugins
⚠️ Risk & Real-World Impact
Worst Case
An attacker with contributor access could inject malicious scripts that steal session cookies, redirect users to phishing sites, or perform actions on behalf of authenticated users, potentially leading to full site compromise.
Likely Case
Attackers with contributor accounts could deface websites, inject malicious advertisements, or steal visitor data through client-side attacks.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, and with least privilege access controls, the attack surface would be significantly reduced.
🎯 Exploit Status
Exploitation requires contributor-level access or higher. Public proof-of-concept details are available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Mega Elements' and click 'Update Now'. 4. Verify update to version 1.2.3 or higher.
🔧 Temporary Workarounds
Disable Mega Elements Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate mega-elements-addons-for-elementor
Restrict Contributor Access
linuxTemporarily remove contributor roles or restrict their capabilities
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Enable Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Mega Elements version. If version is 1.2.2 or lower, you are vulnerable.Check Version:
wp plugin get mega-elements-addons-for-elementor --field=versionVerify Fix Applied:
After updating, verify Mega Elements version shows 1.2.3 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with script tags
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- HTTP requests containing <script> tags in parameters
- Outbound connections to suspicious domains after page loads
SIEM Query:
source="wordpress.log" AND ("mega-elements" OR "admin-ajax") AND ("<script>" OR "javascript:" OR "onerror=")🔗 References
- https://patchstack.com/database/vulnerability/mega-elements-addons-for-elementor/wordpress-mega-elements-plugin-1-2-2-contributor-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/mega-elements-addons-for-elementor/wordpress-mega-elements-plugin-1-2-2-contributor-cross-site-scripting-xss-vulnerability?_s_id=cve
