CVE-2025-2004

9.1 CRITICAL

📋 TL;DR

The Simple WP Events WordPress plugin allows unauthenticated attackers to delete arbitrary files on the server due to insufficient file path validation. This affects all versions up to 1.8.17 and can lead to remote code execution by deleting critical files like wp-config.php. Any WordPress site using this vulnerable plugin is at risk.

💻 Affected Systems

Products:
  • Simple WP Events WordPress plugin
Versions: All versions up to and including 1.8.17
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default plugin configuration; no special configuration required for exploitation

⚠️ 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 file permissions restrict deletion or web application firewall blocks exploit attempts

🌐 Internet-Facing: HIGH - Unauthenticated exploit targeting publicly accessible WordPress sites
🏢 Internal Only: MEDIUM - Lower risk if only accessible internally, but still vulnerable to insider threats

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple HTTP POST request to vulnerable AJAX endpoint with file path parameter

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.8.18 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/simple-wp-events/trunk/admin/includes/wp-events-export-events.php

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Simple WP Events plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and delete plugin immediately

🔧 Temporary Workarounds

Disable vulnerable AJAX endpoint

linux

Block access to the wpe_delete_file AJAX action via .htaccess or web server configuration

# Add to .htaccess:
RewriteCond %{QUERY_STRING} action=wpe_delete_file
RewriteRule ^.*$ - [F,L]

Restrict file deletion permissions

linux

Set WordPress files and directories to read-only for web server user

chmod -R 644 wp-content/plugins/simple-wp-events/
chmod -R 755 wp-content/plugins/simple-wp-events/admin/

🧯 If You Can't Patch

  • Immediately deactivate and remove the Simple WP Events plugin
  • Implement web application firewall rules to block requests containing 'wpe_delete_file' parameter

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Simple WP Events version. If version ≤1.8.17, vulnerable.

Check Version:

grep -r "Version:" wp-content/plugins/simple-wp-events/simple-wp-events.php | head -1

Verify Fix Applied:

Verify plugin version is 1.8.18 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • HTTP POST requests to /wp-admin/admin-ajax.php with 'action=wpe_delete_file' parameter
  • File deletion events in web server logs for WordPress directories

Network Indicators:

  • POST requests to admin-ajax.php with file path parameters
  • Unusual file deletion patterns from web server IP

SIEM Query:

source="web_server_logs" AND uri="/wp-admin/admin-ajax.php" AND method="POST" AND query="*action=wpe_delete_file*"

🔗 References

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