CVE-2023-1207
📋 TL;DR
The HTTP Headers WordPress plugin before version 1.18.8 contains an SQL injection vulnerability in its import functionality. This allows attackers to execute arbitrary SQL commands on the database server, potentially compromising the entire WordPress installation. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- HTTP Headers WordPress Plugin
📦 What is this software?
Http Headers by Riverside
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, remote code execution via database functions, and full site takeover.
Likely Case
Data exfiltration, user credential theft, content manipulation, and plugin/theme file modification.
If Mitigated
Limited impact with proper input validation, database user restrictions, and web application firewalls in place.
🎯 Exploit Status
Exploitation requires access to the import functionality, which typically requires administrative privileges in WordPress.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.18.8
Vendor Advisory: https://wordpress.org/plugins/http-headers/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'HTTP Headers' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.18.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Import Functionality
allRemove or restrict access to the plugin's import feature
# Add to wp-config.php: define('DISALLOW_FILE_EDIT', true);
# Restrict admin access via .htaccess or web server config
Web Application Firewall
linuxImplement WAF rules to block SQL injection patterns
# ModSecurity rule example: SecRule ARGS "(?i:(union|select|insert|update|delete|drop|alter).*)" "deny,status:403"
🧯 If You Can't Patch
- Immediately disable or remove the HTTP Headers plugin from all WordPress installations.
- Implement strict network segmentation and monitor all database queries from the WordPress application.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for HTTP Headers version number.Check Version:
# WordPress CLI: wp plugin list --name=http-headers --field=version
# Or check /wp-content/plugins/http-headers/readme.txtVerify Fix Applied:
Confirm plugin version is 1.18.8 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed import attempts in WordPress logs
- Admin user performing unexpected import operations
Network Indicators:
- POST requests to /wp-admin/admin.php?page=http-headers-import with SQL patterns
- Unusual database server connections from web server
SIEM Query:
source="wordpress.log" AND "http-headers-import" AND ("union" OR "select" OR "insert" OR "update" OR "delete")