CVE-2025-3106
📋 TL;DR
The LA-Studio Element Kit for Elementor WordPress plugin has a stored XSS vulnerability in its Table of Contents widget. Authenticated attackers with contributor-level access or higher can inject malicious scripts that execute when users view affected pages. This affects all WordPress sites using the plugin up to version 1.4.9.
💻 Affected Systems
- LA-Studio Element Kit for Elementor WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers with contributor accounts inject malicious scripts to steal user session cookies or perform phishing attacks against site visitors.
If Mitigated
With proper user access controls and content sanitization, the impact is limited to potential data exposure from compromised contributor accounts.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an attacker has contributor privileges. The vulnerability is in a widely used WordPress plugin.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.0 or higher
Vendor Advisory: https://wordpress.org/plugins/lastudio-element-kit/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'LA-Studio Element Kit for Elementor'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.5.0+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable Table of Contents Widget
allTemporarily disable the vulnerable widget while awaiting patch
Navigate to Elementor → Settings → Advanced → Disable 'Table of Contents' widget
Restrict Contributor Access
allTemporarily elevate contributor role requirements or limit contributor accounts
Use WordPress role management plugins to restrict contributor capabilities
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to limit script execution
- Use web application firewall (WAF) rules to block XSS payloads in plugin parameters
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → LA-Studio Element Kit for Elementor → Version. If version is 1.4.9 or lower, you are vulnerable.Check Version:
wp plugin list --name='lastudio-element-kit' --field=versionVerify Fix Applied:
After updating, verify version is 1.5.0 or higher. Test Table of Contents widget with script payloads to confirm sanitization.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Elementor endpoints with script tags in parameters
- Multiple failed login attempts followed by contributor account access
Network Indicators:
- Outbound connections to suspicious domains from your WordPress site
- Unexpected script loads in page responses
SIEM Query:
source="wordpress.log" AND ("table-of-contents" OR "lastudio-element-kit") AND ("script" OR "javascript:" OR "onerror=")🔗 References
- https://plugins.trac.wordpress.org/browser/lastudio-element-kit/trunk/assets/js/addons/tablet-contents.min.js
- https://plugins.trac.wordpress.org/changeset/3275257/
- https://wordpress.org/plugins/lastudio-element-kit/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7c633419-e231-437f-a2af-6f564cffc2df?source=cve
