CVE-2016-10922
📋 TL;DR
This vulnerability in the WooCommerce Store Toolkit WordPress plugin allows attackers to escalate privileges, potentially gaining administrative access to WordPress sites. It affects WordPress sites running vulnerable versions of the plugin. Attackers could take full control of affected websites.
💻 Affected Systems
- WooCommerce Store Toolkit WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover with administrative privileges, allowing data theft, defacement, malware injection, and further network compromise.
Likely Case
Unauthorized administrative access leading to data manipulation, plugin/theme installation, and backdoor persistence.
If Mitigated
Limited impact if proper access controls, monitoring, and least privilege principles are enforced.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability. Exploit code is publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.7 and later
Vendor Advisory: https://wordpress.org/plugins/woocommerce-store-toolkit/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WooCommerce Store Toolkit'. 4. Click 'Update Now' if available. 5. If no update button, download version 1.5.7+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate woocommerce-store-toolkit
Access Restriction
allRestrict access to WordPress admin paths via web application firewall
🧯 If You Can't Patch
- Remove the plugin completely if not essential
- Implement strict network segmentation and monitor for suspicious admin activity
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed Plugins
Check Version:
wp plugin get woocommerce-store-toolkit --field=version
Verify Fix Applied:
Confirm plugin version is 1.5.7 or higher and test privilege escalation attempts fail
📡 Detection & Monitoring
Log Indicators:
- Unusual admin user creation/modification
- Multiple failed login attempts followed by successful admin access
- Plugin activation/deactivation logs for woocommerce-store-toolkit
Network Indicators:
- HTTP requests to /wp-admin/admin-ajax.php with suspicious parameters
- Unusual traffic patterns to WordPress admin endpoints
SIEM Query:
source="wordpress.log" AND ("woocommerce-store-toolkit" OR "admin-ajax.php") AND ("user_role_changed" OR "new_admin_user")