Zoo Management System v1.0 was discovered to contain multiple SQL injection vulnerabilities in the Admin sign-in page via the username and password fields.
https://portswigger.net/web-security/sql-injection
https://phpgurukul.com/student-management-system-using-php-and-mysql/
https://medium.com/%40guravtushar231/sql-injection-in-login-field-a9073780f7e8