Key Information Affected Product Product Name: Teacher Subject Allocation Management System Version: V1.0 Vulnerable File: /admin/changeimage.php Vulnerability Type Type: SQL Injection Root Cause Improper validation of the parameter allows attackers to inject malicious SQL code. Impact Attackers can exploit this vulnerability to gain database access, leading to data leakage, data tampering or deletion, and potentially full system compromise. Vulnerability Details and POC Vulnerable Location: parameter Payload Example: Request Example: Recommended Remediation 1. Use prepared statements with parameter binding. 2. Implement input validation and filtering. 3. Minimize database user privileges.