itsourcecode Event Calendar process.php regDelete sql injection

A vulnerability has been found in itsourcecode Event Calendar 1.0 and classified as critical. Affected by this vulnerability is the function regConfirm/regDelete of the file process.php. The manipulation of the argument userId leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-268699.