A vulnerability in NetCat CMS allows an attacker to execute JavaScript code in a user's browser when they visit specific paths on the site. This issue affects NetCat CMS v. 6.4.0.24126.2 and possibly others. Apply patch from vendor https://netcat.ru/ https://netcat.ru/] . Versions 6.4.0.24248 and on have the patch.
https://github.com/klsecservices/Advisories/blob/master/K-NetCat-2024-003.md