CVE-2021-27320
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
Date published : 2021-03-24
http://packetstormsecurity.com/files/161642/Doctor-Appointment-System-1.0-Blind-SQL-Injection.html
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html