CVE-2023-2440
📋 TL;DR
The UserPro WordPress plugin up to version 5.1.1 has a Cross-Site Request Forgery vulnerability that allows unauthenticated attackers to trick administrators into performing actions that elevate user privileges. Attackers can modify verified users' roles to gain administrator access via forged requests. WordPress sites using vulnerable UserPro plugin versions are affected.
💻 Affected Systems
- UserPro WordPress Plugin
📦 What is this software?
Userpro by Userproplugin
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control of the WordPress site, allowing them to modify content, install malware, steal data, or take over the entire site.
Likely Case
Attackers create administrator accounts for themselves or compromise existing user accounts to gain elevated privileges for further attacks.
If Mitigated
With proper CSRF protections and user awareness, exploitation attempts fail or are detected before damage occurs.
🎯 Exploit Status
Exploitation requires social engineering to trick an administrator into clicking a malicious link. The technical complexity of the CSRF attack itself is low.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.2 or later
Vendor Advisory: https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find UserPro plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from CodeCanyon and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDeactivate UserPro plugin until patched to prevent exploitation
CSRF Protection via Security Plugin
allInstall WordPress security plugin with CSRF protection features
🧯 If You Can't Patch
- Implement strict user role management and monitor for unauthorized privilege changes
- Educate administrators about phishing risks and implement click-through warnings for admin actions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins > UserPro version. If version is 5.1.1 or lower, you are vulnerable.Check Version:
wp plugin list --name=userpro --field=versionVerify Fix Applied:
After updating, verify UserPro plugin version is 5.1.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unexpected user role changes in WordPress logs
- Admin actions from unusual IP addresses or user agents
Network Indicators:
- HTTP POST requests to /wp-admin/admin-ajax.php with userpro-related actions from non-admin users
SIEM Query:
source="wordpress" AND (event="user_role_change" OR action="userpro_*")🔗 References
- https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681
- https://www.wordfence.com/threat-intel/vulnerabilities/id/73600498-f55c-4b8e-a625-4f292e58e0ee?source=cve
- https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681
- https://www.wordfence.com/threat-intel/vulnerabilities/id/73600498-f55c-4b8e-a625-4f292e58e0ee?source=cve
