CVE-2024-56247
📋 TL;DR
This SQL injection vulnerability in the WP Post Author WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites running WP Post Author plugin versions up to 3.8.2. Successful exploitation could lead to data theft, modification, or deletion.
💻 Affected Systems
- WP Post Author WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive data exfiltration, privilege escalation, arbitrary code execution via database functions, and potential site takeover.
Likely Case
Data theft of user information, post content, and plugin-specific data; potential for authentication bypass or privilege escalation.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database user privilege restrictions in place.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and SQL injection techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.8.2
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-post-author/vulnerability/wordpress-wp-post-author-plugin-3-8-2-sql-injection-vulnerability?_s_id=cve
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. If no update available, deactivate and remove the plugin.
🔧 Temporary Workarounds
Input Sanitization WAF Rule
allImplement web application firewall rules to block SQL injection patterns targeting WP Post Author endpoints.
🧯 If You Can't Patch
- Immediately deactivate and remove the WP Post Author plugin from all WordPress installations.
- Implement strict database user privilege restrictions to limit potential damage from SQL injection.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WP Post Author version 3.8.2 or earlier.Check Version:
wp plugin list --name=wp-post-author --field=versionVerify Fix Applied:
Verify plugin version is higher than 3.8.2 or plugin is completely removed from the system.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in WordPress or database logs
- Multiple failed SQL queries from single IP addresses
- Requests to WP Post Author endpoints with SQL syntax in parameters
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, INSERT, etc.) targeting /wp-content/plugins/wp-post-author/ paths
SIEM Query:
source="wordpress.log" AND ("wp-post-author" OR "wp_post_author") AND ("SELECT" OR "UNION" OR "INSERT" OR "DELETE" OR "UPDATE")