CVE-2024-34389
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WP Post Author WordPress plugin. It allows unauthorized users to perform actions that should require proper authentication, affecting all WordPress sites using vulnerable versions of the plugin. The vulnerability stems from broken access control mechanisms.
💻 Affected Systems
- WP Post Author WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users could modify post author information, potentially altering content attribution or performing unauthorized administrative actions if combined with other vulnerabilities.
Likely Case
Low-privileged users could modify post author metadata, potentially causing content management issues or minor data integrity problems.
If Mitigated
With proper user role management and network segmentation, impact would be limited to minor data manipulation within the plugin's scope.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site, but specific authorization checks are missing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 3.6.4
Vendor Advisory: https://patchstack.com/database/vulnerability/wp-post-author/wordpress-wp-post-author-plugin-3-6-4-broken-access-control-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Post Author plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-post-author
Restrict User Roles
allLimit user roles that can access WordPress admin functions
🧯 If You Can't Patch
- Implement strict user role management and limit administrative access
- Deploy web application firewall rules to detect and block unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Post Author version 3.6.4 or earlierCheck Version:
wp plugin get wp-post-author --field=versionVerify Fix Applied:
Verify plugin version is higher than 3.6.4 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to wp-post-author endpoints
- User role escalation attempts in WordPress logs
Network Indicators:
- Unusual API calls to plugin-specific endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND "wp-post-author" AND ("POST" OR "unauthorized")