CVE-2025-68563
📋 TL;DR
This CVE describes a PHP Local File Inclusion vulnerability in the WordPress Subscribe to Unlock Lite plugin. Attackers can include arbitrary local files on the server, potentially leading to remote code execution. All WordPress sites running vulnerable versions of this plugin are affected.
💻 Affected Systems
- Subscribe to Unlock Lite WordPress 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
Full server compromise via remote code execution, data exfiltration, and complete site takeover.
Likely Case
Sensitive file disclosure (configuration files, database credentials), limited code execution, and privilege escalation.
If Mitigated
Limited impact if file permissions are restrictive and web server runs with minimal privileges.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: >1.3.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Update Subscribe to Unlock Lite to latest version. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Subscribe to Unlock Lite plugin until patched.
wp plugin deactivate subscribe-to-unlock-lite
Restrict file inclusion paths
linuxConfigure PHP to restrict file inclusion to specific directories.
php_admin_value open_basedir /var/www/html
🧯 If You Can't Patch
- Remove the Subscribe to Unlock Lite plugin completely from the WordPress installation.
- Implement web application firewall rules to block requests containing file inclusion patterns.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Subscribe to Unlock Lite version. If version <=1.3.0, vulnerable.Check Version:
wp plugin get subscribe-to-unlock-lite --field=versionVerify Fix Applied:
Verify plugin version is >1.3.0 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with file inclusion parameters like ?file=, ?page=, ?include=
- PHP error logs showing file inclusion warnings
Network Indicators:
- HTTP GET requests with suspicious file paths in parameters
- Unusual file access patterns from web server
SIEM Query:
source="web_access.log" AND (uri="*file=*" OR uri="*page=*" OR uri="*include=*") AND (uri="*../*" OR uri="*/etc/*" OR uri="*/proc/*")