CVE-2024-56068

7.5 HIGH

📋 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

Products:
  • WP SuperBackup WordPress Plugin
Versions: All versions up to and including 2.3.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires at least subscriber-level WordPress user access to exploit. All WordPress installations with vulnerable plugin versions are affected.

⚠️ 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 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

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

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/indeed-wp-superbackup/vulnerability/wordpress-wp-superbackup-plugin-2-3-3-subscriber-php-object-injection-vulnerability?_s_id=cve

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

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate wp-superbackup

Restrict User Access

all

Limit 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:*")

🔗 References

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