yes but Nintendo probably won't know EXACTLY where the exploit lies in Ironfall before Smea releases his stuff.
As for Youtube, they don't need to know, they just need to remove it, rebuild it on the latest webkit and put it back, then the exploit Smea has probably won't work on it anymore.
As for Youtube, they don't need to know, they just need to remove it, rebuild it on the latest webkit and put it back, then the exploit Smea has probably won't work on it anymore.