CVE-2024-12563
📋 TL;DR
The s2Member Pro WordPress plugin has a Local File Inclusion vulnerability that allows authenticated attackers with contributor-level permissions or higher to include and execute arbitrary PHP files on the server. This can lead to remote code execution, data theft, and privilege escalation. All WordPress sites using s2Member Pro versions up to 250214 are affected.
💻 Affected Systems
- s2Member Pro 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 leading to data exfiltration, ransomware deployment, or complete site takeover
Likely Case
Unauthorized code execution leading to backdoor installation, credential theft, or content manipulation
If Mitigated
Limited impact if proper file permissions and web application firewalls are in place
🎯 Exploit Status
Exploitation requires authenticated access and knowledge of file paths
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 250214
Vendor Advisory: https://s2member.com/changelog/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find s2Member Pro and check for updates
4. Update to latest version (after 250214)
5. Verify update completed successfully
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily restrict contributor-level user permissions until patching
Web Application Firewall Rule
allBlock requests containing suspicious 'template' parameter patterns
🧯 If You Can't Patch
- Disable s2Member Pro plugin entirely until patching is possible
- Implement strict file permissions and disable PHP execution in upload directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → s2Member Pro version numberCheck Version:
wp plugin list --name=s2member-pro --field=versionVerify Fix Applied:
Confirm s2Member Pro version is higher than 250214📡 Detection & Monitoring
Log Indicators:
- Unusual file inclusion attempts in web server logs
- Multiple requests with 'template' parameter variations
- PHP error logs showing file path traversal attempts
Network Indicators:
- HTTP requests with suspicious template parameters
- Unexpected file inclusion patterns
SIEM Query:
web_access_logs WHERE uri CONTAINS 'template' AND (uri CONTAINS '../' OR uri CONTAINS 'php://' OR uri CONTAINS '/etc/')