CVE-2022-30402
📋 TL;DR
Merchandise Online Store v1.0 contains a SQL injection vulnerability in the admin panel's subcategory management page. Attackers can exploit this to execute arbitrary SQL commands, potentially accessing or modifying database content. This affects all deployments using the vulnerable version.
💻 Affected Systems
- Merchandise Online Store
📦 What is this software?
Merchandise Online Store by Merchandise Online Store Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized access to sensitive data (customer information, admin credentials, order data), database manipulation, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
Exploit requires admin authentication, but SQL injection is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries in /vloggers_merch/admin/?page=maintenance/manage_sub_category&id= endpoint.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to ensure 'id' parameter contains only numeric values
Modify PHP code to validate $_GET['id'] is numeric before processing
Web Application Firewall
allDeploy WAF with SQL injection protection rules
Configure WAF to block SQL injection patterns in URL parameters
🧯 If You Can't Patch
- Restrict admin panel access to trusted IP addresses only
- Implement strong authentication for admin accounts and enable MFA
🔍 How to Verify
Check if Vulnerable:
Test the endpoint with SQL injection payloads like: /vloggers_merch/admin/?page=maintenance/manage_sub_category&id=1' OR '1'='1
Check Version:
Check application version in admin panel or source code
Verify Fix Applied:
Test with same payloads and verify they are rejected or sanitized
📡 Detection & Monitoring
Log Indicators:
- SQL error messages in web server logs
- Multiple failed login attempts to admin panel
- Unusual database queries from web application
Network Indicators:
- HTTP requests with SQL keywords in URL parameters
- Unusual traffic patterns to admin endpoints
SIEM Query:
web.url:*manage_sub_category* AND (web.param.id:*OR* OR web.param.id:*UNION* OR web.param.id:*SELECT*)