Key Information Affected Product Product Name: Computer Sales and Inventory System V1.0 Vendor Homepage: https://www.campcodes.com/projects/php/computer-sales-and-inventory-system-in-php-mysql-free-download/ Vulnerable File and Version Vulnerable File: us_transac.php?action=add Affected Version: V1.0 Vulnerability Type Type: SQL Injection Root Cause Due to insufficient validation of user input for the parameter in the file, leading to an SQL injection vulnerability. Impact Attackers can exploit this vulnerability to execute malicious SQL queries, resulting in unauthorized access to the database, data tampering or deletion, and exposure of sensitive information. Vulnerability Details and POC Vulnerable Location: username parameter Payload: Recommended Remediation 1. Use prepared statements with parameter binding. 2. Implement input validation and filtering. 3. Minimize database user privileges. 4. Conduct regular security audits.