SourceCodester Sentiment Based Movie Rating System User Registration Users.php sql injection

A vulnerability, which was classified as critical, was found in SourceCodester Sentiment Based Movie Rating System 1.0. Affected is an unknown function of the file /classes/Users.php?f=save_client of the component User Registration Handler. The manipulation of the argument email leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.