CVE-2025-11039
📋 TL;DR
Campcodes Computer Sales and Inventory System 1.0 contains a SQL injection vulnerability in the /pages/us_edit1.php file via the ID parameter. This allows attackers to execute arbitrary SQL commands on the database. All users running version 1.0 are affected.
💻 Affected Systems
- Campcodes Computer Sales and Inventory System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive data (customer information, inventory data, credentials) and potential privilege escalation.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, though some information disclosure may still occur.
🎯 Exploit Status
Exploit details are publicly available on GitHub. The vulnerability is straightforward to exploit with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.campcodes.com/
Restart Required: No
Instructions:
No official patch available. Contact vendor for updates. Consider implementing parameterized queries in /pages/us_edit1.php by replacing direct variable interpolation with prepared statements.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allAdd input validation to sanitize the ID parameter to accept only numeric values.
// In /pages/us_edit1.php, add before SQL query:
if (!is_numeric($_GET['ID'])) { die('Invalid input'); }
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to authorized users only.
- Implement network segmentation and monitor all database queries from the application.
🔍 How to Verify
Check if Vulnerable:
Test the /pages/us_edit1.php endpoint with SQL injection payloads like: /pages/us_edit1.php?ID=1' OR '1'='1
Check Version:
Check the system version in the admin panel or review the software documentation/installation files.
Verify Fix Applied:
Test with the same payloads after implementing fixes - should return error or no data instead of executing SQL.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts or unusual parameter values in access logs
Network Indicators:
- HTTP requests to /pages/us_edit1.php with SQL keywords in parameters
- Unusual database query patterns from the application server
SIEM Query:
source="web_logs" AND uri="/pages/us_edit1.php" AND (param="ID" AND value MATCHES "'.*OR.*|'.*AND.*|'.*UNION.*")