CVE-2023-37999
📋 TL;DR
This vulnerability allows unauthenticated attackers to escalate privileges in the HT Mega WordPress plugin. Attackers can gain administrative access to affected WordPress sites without requiring any credentials. All WordPress sites running HT Mega versions up to 2.2.0 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
Complete site takeover where attackers gain full administrative control, can install backdoors, steal data, deface the site, or use it for further attacks.
Likely Case
Attackers gain administrative access to compromise the WordPress site, potentially leading to data theft, malware installation, or site defacement.
If Mitigated
With proper network segmentation and monitoring, impact could be limited to the affected WordPress instance only.
🎯 Exploit Status
Exploitation requires no authentication and is straightforward. Public proof-of-concept code is available.
🛠️ 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 HT Mega plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 2.2.1+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable HT Mega Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate ht-mega
Restrict Access to WordPress Admin
linuxLimit access to WordPress admin interface using firewall rules
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s trusted_ip -j ACCEPT
🧯 If You Can't Patch
- Immediately disable the HT Mega plugin via WordPress admin or command line
- Implement web application firewall (WAF) rules to block privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for HT Mega version. If version is 2.2.0 or lower, you are vulnerable.Check Version:
wp plugin get ht-mega --field=versionVerify Fix Applied:
Verify HT Mega plugin version is 2.2.1 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual admin user creation
- Multiple failed login attempts followed by successful admin login from same IP
- POST requests to wp-admin/admin-ajax.php with privilege escalation parameters
Network Indicators:
- Unusual traffic to WordPress admin endpoints from external IPs
- HTTP requests containing 'action=ht_mega_ajax' or similar HT Mega-specific parameters
SIEM Query:
source="wordpress.log" AND ("admin_user_created" OR "privilege_escalation" OR "ht_mega_ajax")🔗 References
- https://patchstack.com/database/vulnerability/ht-mega-for-elementor/wordpress-ht-mega-absolute-addons-for-elementor-plugin-2-2-0-unauthenticated-privilege-escalation-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/ht-mega-for-elementor/wordpress-ht-mega-absolute-addons-for-elementor-plugin-2-2-0-unauthenticated-privilege-escalation-vulnerability?_s_id=cve
