CVE-2025-54050
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Responsive Addons for Elementor WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies, redirecting users, or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Responsive 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, install backdoors, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities typically require some level of access to inject payloads, but once injected, the attack affects all users viewing the compromised page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.7.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Responsive Addons for Elementor'. 4. Click 'Update Now' if available, or manually update to version 1.7.4+. 5. Clear any caching plugins or CDN caches.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Responsive Addons for Elementor plugin until patched
wp plugin deactivate responsive-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'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Remove or disable the Responsive Addons for Elementor plugin entirely
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Responsive Addons for Elementor' version
Check Version:
wp plugin get responsive-addons-for-elementor --field=version
Verify Fix Applied:
Verify plugin version is 1.7.4 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags
- Multiple failed XSS attempts in web server logs
- Unexpected JavaScript in page content
Network Indicators:
- HTTP requests containing <script> tags to plugin endpoints
- Outbound connections to suspicious domains from your site
SIEM Query:
source="web_server" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND uri_path="/wp-content/plugins/responsive-addons-for-elementor/"