CVE-2024-0825
📋 TL;DR
This vulnerability in the Vimeography WordPress plugin allows authenticated attackers with contributor-level access or higher to perform PHP object injection via deserialization of untrusted input. While no POP chain exists in the vulnerable plugin itself, if other plugins or themes provide a POP chain, attackers could delete files, access sensitive data, or execute arbitrary code. All WordPress sites using Vimeography plugin versions up to 2.3.2 are affected.
💻 Affected Systems
- Vimeography: Vimeo Video Gallery WordPress Plugin
📦 What is this software?
Vimeography by Davekiss
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or site defacement if a POP chain exists from other installed plugins/themes.
Likely Case
Limited impact due to lack of POP chain in the vulnerable plugin alone, but potential for data exposure or file deletion if compatible POP chains exist.
If Mitigated
Minimal impact if proper access controls limit contributor accounts and no vulnerable POP chains exist in the environment.
🎯 Exploit Status
Exploitation requires authenticated access (contributor or higher) and depends on availability of POP chains from other plugins/themes.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.3 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/vimeography/trunk/lib/api/galleries.php#L816
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Vimeography plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 2.3.3+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate Vimeography plugin until patched version can be installed.
wp plugin deactivate vimeography
Restrict user roles
allLimit contributor-level accounts and review user permissions.
🧯 If You Can't Patch
- Disable Vimeography plugin immediately
- Implement strict access controls and monitor contributor-level user activities
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Vimeography → Version number. If version is 2.3.2 or lower, system is vulnerable.
Check Version:
wp plugin get vimeography --field=version
Verify Fix Applied:
Verify Vimeography plugin version is 2.3.3 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- POST requests to duplicate_gallery function with serialized data
- Unusual PHP deserialization errors in logs
- Suspicious activity from contributor-level accounts
Network Indicators:
- HTTP POST requests containing serialized PHP objects to WordPress admin endpoints
SIEM Query:
source="wordpress.log" AND ("duplicate_gallery" OR "vimeography_duplicate_gallery_serialized")
🔗 References
- https://plugins.trac.wordpress.org/browser/vimeography/trunk/lib/api/galleries.php#L816
- https://www.wordfence.com/threat-intel/vulnerabilities/id/853516b2-ec50-4937-89d3-d16042a6f71c?source=cve
- https://plugins.trac.wordpress.org/browser/vimeography/trunk/lib/api/galleries.php#L816
- https://www.wordfence.com/threat-intel/vulnerabilities/id/853516b2-ec50-4937-89d3-d16042a6f71c?source=cve