CVE-2023-46145
📋 TL;DR
This vulnerability in the Themify Ultra WordPress theme allows authenticated users to escalate their privileges to administrator level. It affects WordPress sites using Themify Ultra theme versions up to 7.3.5. Attackers with any authenticated account can potentially gain full administrative control.
💻 Affected Systems
- Themify Ultra WordPress Theme
📦 What is this software?
Ultra by Themify
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers gain administrator access, install backdoors, steal sensitive data, deface the site, or use it for further attacks.
Likely Case
Attackers with subscriber/contributor accounts escalate to administrator and compromise the WordPress installation.
If Mitigated
Limited impact with proper user role management and monitoring, though privilege escalation attempts may still occur.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an account is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.3.6 or later
Vendor Advisory: https://themify.me/changelogs/themify-ultra.txt
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Click on Themify Ultra theme details. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from Themify and upload via FTP.
🔧 Temporary Workarounds
Disable vulnerable theme
allSwitch to a different WordPress theme temporarily
Restrict user registration
allDisable new user registration to limit attack surface
🧯 If You Can't Patch
- Implement strict user role management and monitor for privilege changes
- Use web application firewall rules to block privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > Themify Ultra details for version numberCheck Version:
wp theme list --field=name,version --path=/path/to/wordpress | grep ultraVerify Fix Applied:
Confirm theme version is 7.3.6 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual user role changes in WordPress logs
- Multiple failed privilege escalation attempts
- Administrator account creation from non-admin users
Network Indicators:
- HTTP POST requests to theme-specific admin-ajax endpoints with privilege parameters
SIEM Query:
source="wordpress.log" AND ("user_role_changed" OR "capabilities_modified" OR "admin_created")🔗 References
- https://patchstack.com/database/vulnerability/themify-ultra/wordpress-themify-ultra-theme-7-3-3-authenticated-privilege-escalation-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/themify-ultra/wordpress-themify-ultra-theme-7-3-3-authenticated-privilege-escalation-vulnerability?_s_id=cve
