PHPGURUKUL Hospital Management System V 4.0 does not properly restrict access to admin/dashboard.php, which allows attackers to access all data of users, doctors, patients, change admin password, get appointment history and access all session logs.
https://www.youtube.com/watch?v=vnSsg6iwV9Y&feature=youtu.be&ab_channel=ashketchum
https://www.phpgurukul.com/hospital-management-system-in-php/