CVE-2022-1057
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands on WooCommerce websites using the Pricing Deals plugin. Attackers can potentially access, modify, or delete database content including sensitive customer data. All WordPress sites with the vulnerable plugin versions are affected.
💻 Affected Systems
- Pricing Deals for WooCommerce WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, website defacement, or full system takeover via SQL injection to RCE chaining.
Likely Case
Data exfiltration of customer information, order details, and potentially admin credentials stored in the database.
If Mitigated
Limited impact if proper WAF rules block SQL injection patterns and database permissions are restricted.
🎯 Exploit Status
SQL injection via AJAX endpoint requires no authentication. Public exploit code exists in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.2.03 or later
Vendor Advisory: https://wpscan.com/vulnerability/7c33ffc3-84a1-4a0f-a837-794cdc3ad243
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Pricing Deals for WooCommerce'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable AJAX endpoint
linuxBlock access to the vulnerable AJAX action via .htaccess or web server configuration
# Add to .htaccess:
RewriteCond %{QUERY_STRING} action=pricing_deals_ajax [NC]
RewriteRule ^ - [F]
Temporary plugin deactivation
allDisable the Pricing Deals plugin until patched
wp plugin deactivate pricing-deals-for-woocommerce
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns
- Restrict database user permissions to SELECT only where possible
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins > Installed Plugins. If version is 2.0.2.02 or earlier, you are vulnerable.Check Version:
wp plugin get pricing-deals-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is 2.0.2.03 or later. Test AJAX endpoint with SQL injection payloads to confirm they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in WordPress debug logs
- Multiple requests to /wp-admin/admin-ajax.php with 'pricing_deals_ajax' parameter
- Database query errors containing SQL injection patterns
Network Indicators:
- POST requests to admin-ajax.php with SQL payloads in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="wordpress.log" AND "admin-ajax.php" AND "pricing_deals_ajax" AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE")