Logitech: Host Header injection in oslo.io (using X-Forwarded-For header) leading to email spoofing

Hello team I hope it will be a happy year for you and for me 😇 Summary: I found Host Header injection in oslo.io I tried to use it to show the security effect on users And I found this Steps To Reproduce: 1. Well, first of all, enter your project 2.Make an invitation by email 3.Now through the...