CVE-2024-10436
📋 TL;DR
The WPC Smart Messages for WooCommerce WordPress plugin contains a Local File Inclusion vulnerability that allows authenticated attackers with Subscriber-level access 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 this plugin up to version 4.2.1 are affected.
💻 Affected Systems
- WPC Smart Messages for WooCommerce 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, data theft, or privilege escalation
If Mitigated
Limited impact if proper file upload restrictions and web application firewalls are in place
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.2.2 or later
Vendor Advisory: https://wordpress.org/plugins/wpc-smart-messages/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find WPC Smart Messages for WooCommerce
4. Click 'Update Now' if available
5. If no update appears, manually download version 4.2.2+ from WordPress.org
6. Deactivate, delete old version, upload and activate new version
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the WPC Smart Messages plugin until patched
wp plugin deactivate wpc-smart-messages
Restrict file uploads
linuxConfigure web server to block PHP file execution in upload directories
location ~* \.php$ { deny all; }
🧯 If You Can't Patch
- Remove Subscriber role access or implement strict access controls
- Deploy web application firewall with LFI protection rules
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed PluginsCheck Version:
wp plugin get wpc-smart-messages --field=versionVerify Fix Applied:
Confirm plugin version is 4.2.2 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual file include requests in web server logs
- PHP execution attempts from unexpected locations
Network Indicators:
- HTTP requests with file path traversal patterns to plugin endpoints
SIEM Query:
source="web_access" AND (uri="*wp-content/plugins/wpc-smart-messages*" AND (uri="*../*" OR uri="*php*"))🔗 References
- https://plugins.trac.wordpress.org/browser/wpc-smart-messages/tags/4.2.1/includes/class-backend.php#L418
- https://plugins.trac.wordpress.org/changeset/3177426/wpc-smart-messages/trunk/includes/class-backend.php?contextall=1
- https://wordpress.org/plugins/wpc-smart-messages/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0fd87512-def0-4e59-aa2d-b166919474f3?source=cve
