CVE-2023-4314
📋 TL;DR
This vulnerability in the wpDataTables WordPress plugin allows authenticated admin users to deserialize untrusted PHP data, potentially leading to remote code execution if a suitable gadget chain exists on the server. It primarily affects WordPress multisite installations where admin users should not have code execution privileges.
💻 Affected Systems
- wpDataTables WordPress plugin
📦 What is this software?
Wpdatatables by Tms Outsource
⚠️ Risk & Real-World Impact
Worst Case
Authenticated admin attacker achieves remote code execution, leading to complete server compromise, data theft, and lateral movement.
Likely Case
Admin user with malicious intent executes arbitrary code within the WordPress context, potentially compromising the site and accessing sensitive data.
If Mitigated
Attack limited to authenticated admin users only, with proper access controls preventing unauthorized admin access.
🎯 Exploit Status
Exploitation requires admin access and depends on available PHP object gadget chains in the environment.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.66 and later
Vendor Advisory: https://wpscan.com/vulnerability/1ab192d7-72ac-4f12-8a51-f28ee4db91bc
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find wpDataTables and click 'Update Now'. 4. Verify version is 2.1.66 or higher.
🔧 Temporary Workarounds
Disable wpDataTables plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate wpdatatables
Restrict admin access
allImplement strict access controls to limit admin panel access to trusted users only.
🧯 If You Can't Patch
- Implement network segmentation to isolate WordPress servers from critical systems
- Enable detailed logging and monitoring of admin user activities and PHP deserialization attempts
🔍 How to Verify
Check if Vulnerable:
Check wpDataTables plugin version in WordPress admin panel under Plugins → Installed Plugins.
Check Version:
wp plugin get wpdatatables --field=version
Verify Fix Applied:
Confirm wpDataTables version is 2.1.66 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual admin user activity
- PHP deserialization errors in WordPress logs
- Unexpected plugin file modifications
Network Indicators:
- Unusual outbound connections from WordPress server
- Suspicious POST requests to wp-admin/admin-ajax.php
SIEM Query:
source="wordpress.log" AND ("wpdatatables" OR "unserialize" OR "admin-ajax.php")