Online Sports Complex Booking System 1.0 is vulnerable to SQL Injection via /scbs/classes/Users.php?f=delete_client.Referenceshttps://packetstormsecurity.com/files/166598/Online-Sports-Complex-Booking-System-1.0-SQL-Injection.htmlhttps://github.com/playZG/Exploit-/blob/main/Online%20Sports%20Complex%20Booking%20System/Online%20Sports%20Complex%20Booking%20System%201.0%20SQL%20Injection%28%E4%BA%8C%29.md