A vulnerability was found in SourceCodester CRUD without Page Reload 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file fetch_data.php. The manipulation of the argument username/city leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252782 is the identifier assigned to this vulnerability.
https://vuldb.com/?ctiid.252782
https://github.com/PrecursorYork/crud-without-refresh-reload-Reflected_XSS-POC/blob/main/README.md