Critical Vulnerability Information Affected Product Product Name: Apartment Management System Project V1.0 Vendor Homepage: https://itsourcecode.com/free-projects/php-projects/apartment-management-system-project-in-php-with-source-code/ Affected Files and Versions Vulnerable File: employee/addemployee.php Version: V1.0 Vulnerability Type Type: SQL Injection Root Cause In the file , parameters and are directly inserted into SQL queries without proper sanitization or validation. Impact Attackers can exploit this vulnerability to gain unauthorized database access, disclose sensitive data, modify data, disrupt system control, and cause business interruption. Description Due to insufficient input validation of the parameter, a time-based blind SQL injection vulnerability is introduced. Vulnerability Details and PoC Payload: Recommended Remediation 1. Use prepared statements with parameter binding. 2. Validate and filter user input. 3. Minimize database user privileges. 4. Conduct regular security audits.