CVE-2024-56068
📋 TL;DR
CVE-2024-56068 is a PHP object injection vulnerability in the WP SuperBackup WordPress plugin that allows attackers to execute arbitrary code through deserialization of untrusted data. This affects all WordPress sites using WP SuperBackup versions up to 2.3.3. Attackers with subscriber-level access or higher can exploit this to gain unauthorized control of affected websites.
💻 Affected Systems
- WP SuperBackup 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
Complete site compromise leading to data theft, defacement, malware distribution, or creation of persistent backdoors for further attacks.
Likely Case
Unauthorized administrative access leading to plugin/theme manipulation, user account creation, or content modification.
If Mitigated
Limited impact if proper access controls and input validation are in place, though deserialization vulnerabilities remain dangerous.
🎯 Exploit Status
Exploitation requires authenticated access (subscriber role or higher). Public proof-of-concept demonstrates the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP SuperBackup and click 'Update Now'. 4. Verify version is 2.3.4 or higher.
🔧 Temporary Workarounds
Disable WP SuperBackup Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate wp-superbackup
Restrict User Access
allLimit user accounts with subscriber role or higher to trusted individuals only
🧯 If You Can't Patch
- Remove WP SuperBackup plugin completely and use alternative backup solutions
- Implement strict access controls and monitor for suspicious user activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > WP SuperBackup version. If version is 2.3.3 or lower, you are vulnerable.
Check Version:
wp plugin get wp-superbackup --field=version
Verify Fix Applied:
Verify WP SuperBackup version is 2.3.4 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual PHP object deserialization attempts in web server logs
- Suspicious POST requests to WP SuperBackup endpoints
- Unexpected plugin file modifications
Network Indicators:
- HTTP requests containing serialized PHP objects to backup-related endpoints
- Unusual outbound connections from WordPress server
SIEM Query:
source="web_logs" AND (uri="*wp-superbackup*" OR uri="*backup*") AND (method="POST" OR method="PUT") AND (payload="*O:*" OR payload="*C:*" OR payload="*a:*")