CVE-2024-38710
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Master Addons for Elementor WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Master Addons for Elementor WordPress plugin
📦 What is this software?
Master Addons by Master Addons
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies or credentials when users visit compromised pages.
If Mitigated
With proper input validation and output escaping, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is confirmed, the vulnerability type suggests exploitation is straightforward for attackers with basic web skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.6.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Master Addons for Elementor'. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.0.6.3+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate Master Addons for Elementor until patched
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to WordPress functions.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict plugin access to trusted users only and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Master Addons for Elementor version
Check Version:
wp plugin list --name='Master Addons for Elementor' --field=version (if WP-CLI installed)
Verify Fix Applied:
Confirm plugin version is 2.0.6.3 or higher in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious JavaScript in page content or database entries
Network Indicators:
- Unexpected script tags in HTTP responses from WordPress pages
SIEM Query:
source="wordpress.log" AND "master-addons" AND (POST OR PUT) AND (script OR javascript OR onload OR onerror)
🔗 References
- https://patchstack.com/database/vulnerability/master-addons/wordpress-master-addons-free-widgets-hover-effects-toggle-conditions-animations-for-elementor-plugin-2-0-6-2-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/master-addons/wordpress-master-addons-free-widgets-hover-effects-toggle-conditions-animations-for-elementor-plugin-2-0-6-2-cross-site-scripting-xss-vulnerability?_s_id=cve