X (Formerly Twitter): Wrong Interpretation of URL encoded characters, showing different punny code leads to redirection on different domain

Summary: There is wrong interpretation of URL encoded characters at https://twitter.com/safety/unsafelinkwarning endpoint which could lead to different location then what is supposed to. Although it shows warning but doesn't show warning about punny code characters. Description: On following...

Liberapay: Punny code Detection Parsing should be implemented on Markdown

Hello Liberapay Security Team, Description When we insert any URL in Markdown Box in liberapay.com/profilename/edit/statement, it reflects on our main profile page. There was main issue which I discovered was about Punny code parsing method which was not enabled on Markdown. Step to Reproduce For...