CVE-2025-64230

7.5 HIGH

📋 TL;DR

This path traversal vulnerability in the WP Chill Filr WordPress plugin allows attackers to delete arbitrary files on the server. It affects all WordPress sites running Filr plugin versions up to and including 1.2.10. Attackers can exploit this to delete critical system files or website content.

💻 Affected Systems

Products:
  • WP Chill Filr (filr-protection) WordPress plugin
Versions: All versions up to and including 1.2.10
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Filr plugin installed and activated.

⚠️ 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 website compromise through deletion of WordPress core files, configuration files, or operating system files, leading to site unavailability, data loss, or server takeover.

🟠

Likely Case

Website defacement or disruption through deletion of theme files, plugins, or uploaded content, causing service interruption and reputational damage.

🟢

If Mitigated

Limited impact if file permissions are properly configured and web server runs with minimal privileges, though some website functionality may still be affected.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability requires authentication but is easily exploitable once authenticated. Public proof-of-concept exists in the advisory.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2.11 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/filr-protection/vulnerability/wordpress-filr-plugin-1-2-10-arbitrary-file-deletion-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Filr' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 1.2.11+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Filr Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate filr-protection

Restrict File Deletion Permissions

linux

Configure web server to run with minimal file system write permissions

chmod -R 755 /var/www/html/wp-content/plugins/filr-protection/
chown -R www-data:www-data /var/www/html/

🧯 If You Can't Patch

  • Immediately disable the Filr plugin via WordPress admin or command line
  • Implement web application firewall rules to block path traversal patterns in requests

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Filr version. If version is 1.2.10 or lower, you are vulnerable.

Check Version:

wp plugin get filr-protection --field=version

Verify Fix Applied:

Verify Filr plugin version is 1.2.11 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file deletion events in web server logs
  • POST requests to filr-protection endpoints with '../' patterns
  • 404 errors for critical files that previously existed

Network Indicators:

  • HTTP requests containing path traversal sequences ('../', '..\') to Filr endpoints

SIEM Query:

source="web_server_logs" AND (uri="*filr-protection*" AND (uri="*../*" OR uri="*..\\*"))

🔗 References

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