Online Hotel Booking System Room edit_all_room.php sql injection

A vulnerability has been found in Online Hotel Booking System 1.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the file edit_all_room.php of the component Room Handler. The manipulation of the argument id with the input 2828%27%20AND%20(SELECT%203766%20FROM%20(SELECT(SLEEP(5)))BmIK)%20AND%20%27YLPl%27=%27YLPl leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.