CVE-2022-0478
📋 TL;DR
This SQL injection vulnerability in the Event Manager and Tickets Selling for WooCommerce WordPress plugin allows users with contributor-level permissions or higher to execute arbitrary SQL commands. Attackers could potentially read, modify, or delete database content, including sensitive user data. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Event Manager and Tickets Selling for WooCommerce WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation to administrator, site defacement, or complete site takeover.
Likely Case
Unauthorized data access, modification of event/ticket data, or extraction of sensitive user information from the database.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL execution to safe operations.
🎯 Exploit Status
Exploitation requires authenticated user with at least contributor privileges. SQL injection via post_author_gutenberg parameter during event creation/editing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.5.8
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/2671860
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Event Manager and Tickets Selling for WooCommerce'. 4. Click 'Update Now' if update available. 5. Alternatively, download version 3.5.8+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the plugin until patched version can be installed
wp plugin deactivate event-tickets-manager-for-woocommerce
Restrict user roles
linuxTemporarily remove contributor and author roles from untrusted users
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns in post_author_gutenberg parameter
- Apply principle of least privilege: restrict contributor roles to only essential users and monitor their activities
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins > Installed Plugins. If version is below 3.5.8, site is vulnerable.
Check Version:
wp plugin get event-tickets-manager-for-woocommerce --field=version
Verify Fix Applied:
Confirm plugin version is 3.5.8 or higher in WordPress admin panel. Test event creation/editing functionality to ensure it works without errors.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by event creation/editing
- Unexpected database modifications from contributor-level users
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with SQL patterns in post_author_gutenberg parameter
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="/wp-admin/admin-ajax.php" OR uri="/wp-admin/post.php") AND (param="post_author_gutenberg" AND value MATCHES "[';]|UNION|SELECT|INSERT|UPDATE|DELETE|DROP")