CVE-2024-35700
📋 TL;DR
This vulnerability in the UserPro WordPress plugin allows unauthenticated attackers to escalate privileges and take over user accounts. It affects all UserPro plugin versions up to and including 5.1.8. WordPress sites using this plugin are vulnerable to complete compromise.
💻 Affected Systems
- DeluxeThemes UserPro WordPress Plugin
📦 What is this software?
Userpro by Userproplugin
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers gain administrative access, modify content, install backdoors, steal sensitive data, and potentially compromise the entire server.
Likely Case
Attackers gain administrative privileges on vulnerable WordPress sites, allowing them to modify pages, inject malicious code, access user data, and maintain persistent access.
If Mitigated
With proper network segmentation and least privilege principles, impact could be limited to the WordPress application layer, preventing lateral movement to other systems.
🎯 Exploit Status
The vulnerability requires no authentication and has publicly available proof-of-concept code, making it trivial to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.9 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/userpro/wordpress-userpro-plugin-5-1-8-unauthenticated-account-takeover-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find UserPro plugin and click 'Update Now'. 4. Verify update to version 5.1.9 or higher.
🔧 Temporary Workarounds
Disable UserPro Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate userpro
Restrict Plugin Access
allUse web application firewall to block access to UserPro plugin endpoints
🧯 If You Can't Patch
- Immediately disable the UserPro plugin via WordPress admin or command line
- Implement strict network access controls to limit exposure of WordPress admin interface
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → UserPro version. If version is 5.1.8 or lower, you are vulnerable.Check Version:
wp plugin get userpro --field=versionVerify Fix Applied:
After updating, verify UserPro plugin shows version 5.1.9 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual user privilege changes in WordPress logs
- Multiple failed login attempts followed by successful admin login from new IP
- UserPro plugin file modifications
Network Indicators:
- HTTP POST requests to UserPro-specific endpoints from unauthenticated sources
- Unusual traffic patterns to /wp-content/plugins/userpro/
SIEM Query:
source="wordpress.log" AND ("userpro" OR "privilege" OR "admin") AND ("escalat*" OR "takeover" OR "unauth*")