CVE-2024-49310
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Themesflat Addons For Elementor WordPress plugin allows attackers to inject malicious scripts into web pages. When users view compromised pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Themesflat Addons For Elementor WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress sites, deface websites, redirect visitors to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing sites, or display unwanted advertisements. Site visitors could have their credentials stolen.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers, preventing exploitation.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public proof-of-concept exists, the vulnerability type is well-understood and easily weaponized by attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Themesflat Addons For Elementor'. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.2.1+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Vulnerable Plugin
allTemporarily disable the Themesflat Addons For Elementor plugin until patched
wp plugin deactivate themesflat-addons-for-elementor
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 use WordPress security plugins to implement CSP
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict plugin access to trusted users only through WordPress role management
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Themesflat Addons For Elementor' versionCheck Version:
wp plugin get themesflat-addons-for-elementor --field=versionVerify Fix Applied:
Verify plugin version is 2.2.1 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with script tags
- Multiple failed login attempts following suspicious plugin activity
- WordPress audit logs showing unauthorized plugin modifications
Network Indicators:
- HTTP requests containing <script> tags in parameters
- Outbound connections to suspicious domains from your WordPress site
SIEM Query:
source="wordpress" AND ("themesflat" OR "admin-ajax.php") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")