Youtube Comments Vulnerability

A vulnerability was found on Youtube that allows you to run js scripts, inject from the simplest iframe and redirect to sniffer



Examples:
www.youtube.com/watch?v=3AzpByR3MvI
www.youtube.com/watch?v=GpkQSB_h5lY
www.youtube.com/watch?v=_Iv5V0i4XGg
')
Screenshots of the most innocuous under the cut. I do not recommend using this vulnerability.

UPD: All comments are hidden but not deleted.