CVE-2026-3756
📋 TL;DR
This CVE describes a SQL injection vulnerability in SourceCodester Sales and Inventory System version 1.0. Attackers can exploit the 'stock_name1' parameter in the /check_item_details.php file to execute arbitrary SQL commands. Organizations using this software are affected.
💻 Affected Systems
- SourceCodester Sales and Inventory System
📦 What is this software?
Sales And Inventory System by Ahsanriaz26gmailcom
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, or system takeover via SQL injection.
Likely Case
Unauthorized data access, extraction of sensitive information like user credentials or inventory data.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented.
🎯 Exploit Status
Public proof-of-concept available on GitHub, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if released, or apply workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and sanitization for the stock_name1 parameter.
Modify /check_item_details.php to use prepared statements with parameterized queries.
Web Application Firewall (WAF)
allDeploy a WAF to block SQL injection attempts.
Configure WAF rules to detect and block SQL injection patterns in requests to /check_item_details.php.
🧯 If You Can't Patch
- Restrict access to the vulnerable endpoint using network ACLs or authentication.
- Monitor logs for suspicious SQL injection attempts and implement intrusion detection.
🔍 How to Verify
Check if Vulnerable:
Test the /check_item_details.php endpoint with SQL injection payloads in the stock_name1 parameter.Check Version:
Check the software version in the admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and that input validation is enforced.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs, error messages related to SQL syntax.
Network Indicators:
- HTTP requests to /check_item_details.php with SQL injection payloads in parameters.
SIEM Query:
source="web_logs" AND uri="/check_item_details.php" AND (param="stock_name1" AND value CONTAINS "' OR '1'='1" OR value CONTAINS "UNION SELECT")