SourceCodester Product Show Room Site cross site scripting

A vulnerability was found in SourceCodester Product Show Room Site 1.0. It has been rated as problematic. This issue affects the file /admin/?page=system_info/contact_info. The manipulation of the textbox Telephone with the input <script>alert(1)</script> leads to cross site scripting. The attack may be initiated remotely but requires authentication. Exploit details have been disclosed to the public.