SourceCodester PHP CRUD Add.php cross site scripting

A vulnerability was found in SourceCodester PHP CRUD 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /endpoint/Add.php. The manipulation of the argument first_name/middle_name/last_name leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.