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/Kolding/Account/Login?returnUrl=%2FKolding%2FFlight%2FDetails%2F6ecfd581-a2a2-4ec2-ac94-fbd98f82135f