X (Formerly Twitter) disclosed on HackerOne: Periscope iOS app CSRF...

Summary This issue is mainly in the Periscope iOS app against CSRF follow action using deeplink. as the report #583987 the CSRF work on iOS app POC 1 QR code to follow periscope profile `pscp://user/periscopeco/follow ` ███████ POC2 by kunal94 ``` <html> <a href="pscp://user/<any user-id>/follow">CSRF DEMO</a> </html> ``` video █████████ ## Imp…