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.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.