CVE-2022-30454
📋 TL;DR
Merchandise Online Store 1.0 contains a SQL injection vulnerability in the delete_product function that allows attackers to execute arbitrary SQL commands. This affects all deployments of version 1.0, potentially compromising the entire database and application.
💻 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 leading to data theft, data destruction, authentication bypass, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, modification, or deletion of product information and potentially user data.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing exploitation.
🎯 Exploit Status
Public proof-of-concept available in GitHub repository showing direct exploitation path.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Implement workarounds or migrate to alternative software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize all user inputs before processing SQL queries.
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Block access to /vloggers_merch/classes/Master.php at network perimeter or web server level
- Implement strict database user permissions with least privilege access
🔍 How to Verify
Check if Vulnerable:
Test the endpoint /vloggers_merch/classes/Master.php?f=delete_product with SQL injection payloads like ' OR '1'='1Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection payloads no longer execute and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed delete_product requests with SQL syntax
Network Indicators:
- HTTP requests to vulnerable endpoint with SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/vloggers_merch/classes/Master.php" AND (param="f" AND value="delete_product") AND (param CONTAINS "SELECT" OR param CONTAINS "UNION" OR param CONTAINS "OR")