CVE-2023-50901
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the HT Mega plugin for WordPress Elementor. When users visit a specially crafted URL, the script executes in their browser, potentially stealing cookies, session tokens, or performing actions on their behalf. All WordPress sites using vulnerable versions of the HT Mega plugin are affected.
💻 Affected Systems
- HT Mega – Absolute Addons For Elementor WordPress plugin
📦 What is this software?
Ht Mega by Hasthemes
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator credentials, take over the WordPress site, deface content, or install backdoors for persistent access.
Likely Case
Attackers steal user session cookies to hijack accounts, redirect users to malicious sites, or display fraudulent content.
If Mitigated
With proper input validation and output encoding, the malicious script is neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS typically requires user interaction (clicking a malicious link), but exploitation is straightforward once the URL is crafted.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.9 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'HT Mega – Absolute Addons For Elementor'. 4. Click 'Update Now' if available, or manually update to version 2.3.9+. 5. Verify the update completed successfully.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the HT Mega plugin until patched.
wp plugin deactivate ht-mega-for-elementor
Implement WAF rules
allConfigure web application firewall to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Restrict access to the WordPress admin panel to trusted IP addresses only.
- Implement Content Security Policy (CSP) headers to mitigate script execution from untrusted sources.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for HT Mega version. If version is 2.3.8 or lower, the site is vulnerable.Check Version:
wp plugin get ht-mega-for-elementor --field=versionVerify Fix Applied:
After updating, confirm the plugin version shows 2.3.9 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual GET requests with script tags or JavaScript payloads in query parameters
- Multiple failed login attempts following suspicious URL accesses
Network Indicators:
- HTTP requests containing <script>, javascript:, or encoded XSS payloads in URL parameters
SIEM Query:
source="web_server_logs" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*%3Cscript%3E*")🔗 References
- https://patchstack.com/database/vulnerability/ht-mega-for-elementor/wordpress-ht-mega-absolute-addons-for-elementor-plugin-2-3-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/ht-mega-for-elementor/wordpress-ht-mega-absolute-addons-for-elementor-plugin-2-3-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
