CVE-2025-9693

8.0 HIGH

📋 TL;DR

This vulnerability allows authenticated WordPress users with Subscriber-level access or higher to delete arbitrary files on the server due to insufficient file path validation in the User Meta plugin. Attackers can achieve remote code execution by deleting critical files like wp-config.php. All WordPress sites using vulnerable versions of the User Meta plugin are affected.

💻 Affected Systems

Products:
  • User Meta – User Profile Builder and User management plugin for WordPress
Versions: All versions up to and including 3.1.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated user with at least Subscriber role

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete site compromise via remote code execution leading to data theft, defacement, or malware installation

🟠

Likely Case

Site disruption or data loss from deletion of critical WordPress files

🟢

If Mitigated

Limited impact if proper file permissions and access controls are in place

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once authenticated

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.1.3 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/user-meta/tags/3.1.3

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'User Meta' plugin
4. Click 'Update Now' if available
5. If not, download version 3.1.3+ from WordPress.org and manually update

🔧 Temporary Workarounds

Disable User Meta Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate user-meta

Restrict File Permissions

linux

Set restrictive permissions on critical WordPress files

chmod 400 wp-config.php
chmod 400 wp-admin/*
chmod 400 wp-includes/*

🧯 If You Can't Patch

  • Remove Subscriber role from all users or restrict user registration
  • Implement web application firewall rules to block file deletion attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → User Meta → Version number

Check Version:

wp plugin get user-meta --field=version

Verify Fix Applied:

Confirm plugin version is 3.1.3 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=postInsertUserProcess
  • File deletion events in web server logs
  • Unauthorized file access attempts

Network Indicators:

  • HTTP requests with file path parameters in POST data
  • Unusual admin-ajax.php requests from non-admin users

SIEM Query:

source="web_server" AND (uri_path="/wp-admin/admin-ajax.php" AND post_data CONTAINS "postInsertUserProcess")

🔗 References

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