PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the /admin/password-recovery.php endpoint. Specifically, the username and mobileno parameters accepts unvalidated user input, which is then concatenated directly into a backend SQL query.

PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the admin/index.php endpoint. Specifically, the username parameter accepts unvalidated user input, which is then concatenated directly into a backend SQL query.