CVE-2025-13586
📋 TL;DR
This SQL injection vulnerability in SourceCodester Online Student Clearance System 1.0 allows attackers to manipulate database queries through the password confirmation field. Attackers can potentially access, modify, or delete database contents remotely. All users running the vulnerable version are affected.
💻 Affected Systems
- SourceCodester Online Student Clearance System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, system takeover, or data destruction
Likely Case
Unauthorized data access and potential privilege escalation
If Mitigated
Limited impact if proper input validation and WAF are in place
🎯 Exploit Status
Exploit details published on GitHub, making it easy for attackers to weaponize
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider replacing with alternative software or implementing custom fixes.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries and input validation to /Admin/changepassword.php
Modify PHP code to use prepared statements: $stmt = $conn->prepare('UPDATE users SET password=? WHERE id=?'); $stmt->bind_param('si', $password, $id);
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests
Configure WAF rules to block SQL injection patterns in POST parameters
🧯 If You Can't Patch
- Block access to /Admin/changepassword.php at network perimeter
- Implement strict input validation and parameterized queries in custom code
🔍 How to Verify
Check if Vulnerable:
Test /Admin/changepassword.php endpoint with SQL injection payloads in txtconfirm_password parameterCheck Version:
Check system version in admin panel or configuration filesVerify Fix Applied:
Test that SQL injection attempts no longer succeed and receive proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple failed password change attempts
- Requests with SQL keywords in parameters
Network Indicators:
- POST requests to /Admin/changepassword.php with SQL payloads
- Unusual database query patterns
SIEM Query:
source="web_server" AND (url="/Admin/changepassword.php" AND (param="txtconfirm_password" AND value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "--"))