CVE-2024-12624
📋 TL;DR
This stored XSS vulnerability in the Sina Extension for Elementor WordPress plugin allows authenticated attackers with contributor-level access or higher to inject malicious scripts into web pages. The scripts execute whenever users view the compromised pages, potentially stealing credentials or performing unauthorized actions. WordPress sites using vulnerable plugin versions are affected.
💻 Affected Systems
- Sina Extension for Elementor WordPress Plugin
📦 What is this software?
⚠️ 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 access inject malicious scripts to steal user session cookies or credentials, potentially escalating privileges.
If Mitigated
With proper user role management and input validation, impact is limited to isolated script execution without data compromise.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once authenticated. The vulnerability is well-documented in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.5.92 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3211218/sina-extension-for-elementor
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Sina Extension for Elementor'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.5.92+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Sina Image Differ Widget
allTemporarily disable the vulnerable widget until patching is possible
Navigate to Elementor > Settings > Advanced > Disable Sina Image Differ widget
Restrict Contributor Permissions
allTemporarily remove contributor-level access to reduce attack surface
Use WordPress role editor plugins to modify user capabilities
🧯 If You Can't Patch
- Implement strict input validation and output escaping for all user-supplied data in custom code
- Deploy web application firewall (WAF) rules to detect and block XSS payloads targeting the Sina Image Differ widget
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins > Sina Extension for Elementor version. If version is 3.5.91 or lower, you are vulnerable.
Check Version:
wp plugin list --name='sina-extension-for-elementor' --field=version
Verify Fix Applied:
After updating, verify plugin version is 3.5.92 or higher in WordPress plugins list. Test the Sina Image Differ widget functionality to ensure it works without errors.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with sina_extension parameters
- Multiple failed login attempts followed by successful contributor-level login
Network Indicators:
- HTTP requests containing script tags or JavaScript payloads in sina_extension parameters
- Unexpected outbound connections from WordPress site after page views
SIEM Query:
source="wordpress.log" AND ("sina_extension" OR "sina-image-differ") AND ("script" OR "javascript" OR "onerror" OR "onload")