CVE-2023-3211
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands on WordPress sites using the Database Administrator plugin. Attackers can potentially read, modify, or delete database content, including sensitive user data. All WordPress installations with the vulnerable plugin version are affected.
💻 Affected Systems
- WordPress Database Administrator plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, site defacement, privilege escalation, and potential remote code execution via database functions.
Likely Case
Data exfiltration of sensitive information (user credentials, personal data), database manipulation, and potential site takeover.
If Mitigated
Limited impact with proper network segmentation, database permissions, and monitoring in place.
🎯 Exploit Status
SQL injection via AJAX endpoint requires no authentication, making exploitation trivial.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.4 or later
Vendor Advisory: https://wpscan.com/vulnerability/873824f0-e8b1-45bd-8579-bc3c649a54e5/
Restart Required: No
Instructions:
1. Update WordPress Database Administrator plugin to version 1.0.4 or later via WordPress admin panel. 2. Verify plugin is updated to patched version. 3. Test functionality to ensure no breakage.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Database Administrator plugin until patched version can be installed.
wp plugin deactivate database-administrator
Restrict AJAX endpoint access
linuxBlock access to the vulnerable AJAX endpoint via web application firewall or .htaccess.
RewriteEngine On
RewriteRule ^wp-admin/admin-ajax\.php.*database-administrator.* - [F]
🧯 If You Can't Patch
- Remove the Database Administrator plugin completely from the WordPress installation.
- Implement strict network access controls to limit who can reach the WordPress admin interface.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Database Administrator version. If version is 1.0.3 or earlier, vulnerable.Check Version:
wp plugin get database-administrator --field=versionVerify Fix Applied:
Confirm plugin version is 1.0.4 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple POST requests to /wp-admin/admin-ajax.php with database-administrator parameters
- SQL error messages in web server logs
Network Indicators:
- Unusual traffic patterns to WordPress AJAX endpoints
- SQL injection payloads in HTTP requests
SIEM Query:
source="web_server_logs" AND ("database-administrator" OR "admin-ajax.php") AND (sql OR union OR select)