Okay when I first heard about this earlier this morning I was literally freaking out! I know it's probably a hoax but how did this even happen in the first place???

http://www.allkpop.com/forums/discussion/169097/my-korean-celeb-secrets/p531 ------> Scroll down slowly until you find a comment                                                                                                             about IU and Chanyeol

        (P.S This picture does not belong to me!)

But seriously, how did this hoax happen? Can anyone tell me???