paintballrefjosh/MaNGOSWebV4 before 4.0.8 is vulnerable to a reflected XSS in install/index.php (step parameter).
https://github.com/paintballrefjosh/MaNGOSWebV4/releases/tag/4.0.8
https://github.com/paintballrefjosh/MaNGOSWebV4/issues/15
https://github.com/MarkLee131/awesome-web-pocs/blob/main/CVE-2017-6478.md