CVE-2023-49835
📋 TL;DR
This vulnerability allows attackers to exploit missing authorization checks in the Post Duplicator WordPress plugin, enabling unauthorized users to duplicate posts. It affects all WordPress sites running Post Duplicator versions up to 2.31. The issue stems from improper access control that fails to verify user permissions.
💻 Affected Systems
- Metaphor Creations Post Duplicator WordPress Plugin
📦 What is this software?
Post Duplicator by Metaphorcreations
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users could duplicate sensitive posts, modify content, or disrupt site operations by creating excessive duplicate content.
Likely Case
Low-privileged users or attackers could duplicate posts they shouldn't have access to, potentially exposing draft content or manipulating published material.
If Mitigated
With proper user role management and access controls, impact would be limited to authorized users only.
🎯 Exploit Status
Exploitation requires some level of user access but bypasses authorization checks for post duplication functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.32 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Post Duplicator and click 'Update Now'. 4. Verify version is 2.32 or higher.
🔧 Temporary Workarounds
Disable Post Duplicator Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate post-duplicator
Restrict User Roles
allLimit user accounts with post editing capabilities to trusted personnel only
🧯 If You Can't Patch
- Implement strict user role management and review all accounts with post editing permissions
- Monitor post duplication activities and audit logs for unauthorized actions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Post Duplicator versionCheck Version:
wp plugin get post-duplicator --field=versionVerify Fix Applied:
Verify Post Duplicator version is 2.32 or higher in WordPress plugins list📡 Detection & Monitoring
Log Indicators:
- Multiple post duplication events from same user in short time
- Post duplication by users without proper permissions
Network Indicators:
- Unusual POST requests to post duplication endpoints
SIEM Query:
source="wordpress" AND (event="post_duplicate" OR uri="/wp-admin/admin-ajax.php") AND action="duplicate_post"