CVE-2025-23530
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Custom Post Type Lockdown plugin allows attackers to trick authenticated administrators into performing unintended actions. This can lead to privilege escalation where attackers gain administrative access. All WordPress sites using Custom Post Type Lockdown plugin versions up to 1.11 are affected.
💻 Affected Systems
- WordPress Custom Post Type Lockdown plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control over the WordPress site, allowing them to modify content, install malicious plugins/themes, steal sensitive data, or take the site offline.
Likely Case
Attackers create new administrator accounts or modify existing user privileges to gain persistent access to the site.
If Mitigated
With proper CSRF protections and user awareness, exploitation attempts fail and no privilege escalation occurs.
🎯 Exploit Status
Exploitation requires social engineering to trick an administrator into clicking a malicious link while authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.11
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Custom Post Type Lockdown'. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Implement CSRF Protection Headers
ApacheAdd security headers to WordPress to help prevent CSRF attacks
Add to .htaccess: Header set X-Frame-Options "SAMEORIGIN"
Add to .htaccess: Header set Content-Security-Policy "frame-ancestors 'self'"
🧯 If You Can't Patch
- Deactivate and remove the Custom Post Type Lockdown plugin immediately
- Implement strict access controls and educate administrators about phishing risks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Custom Post Type Lockdown version 1.11 or earlierCheck Version:
wp plugin list --name=custom-post-type-lockdown --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.11 or plugin is completely removed📡 Detection & Monitoring
Log Indicators:
- Unexpected administrator account creation
- User privilege changes in WordPress logs
- Multiple failed login attempts followed by successful privilege escalation
Network Indicators:
- Unusual POST requests to wp-admin/user-new.php or wp-admin/user-edit.php
- Requests with suspicious referer headers
SIEM Query:
source="wordpress.log" AND ("user-new.php" OR "user-edit.php") AND status=200 AND user_agent CONTAINS suspicious_pattern