SourceCodester Best House Rental Management System admin_class.php save_tenant sql injection

A flaw has been found in SourceCodester Best House Rental Management System 1.0. Affected by this issue is the function save_tenant of the file /admin_class.php. Executing manipulation of the argument firstname can lead to sql injection. The attack can be launched remotely. The exploit has been published and may be used. Other parameters might be affected as well.