SourceCodester Clinics Patient Management System check_user_name.php sql injection

A vulnerability classified as critical was found in SourceCodester Clinics Patient Management System 1.0. This vulnerability affects unknown code of the file /pms/ajax/check_user_name.php. The manipulation of the argument user_name leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.