We have received external reports of Phishing attempts using this url redirect functionality, these are now being rejected.
Visit https://github.com/janhebnes/startlist.club/issues/245
Invalid redirect was attempted with https://startlist.club/Account/Login?returnUrl=%2FFlight%2FDetails%2F48cc4e1e-13c5-44b1-a576-c904e9e639f2