This “exploit” was originally posted in this thread:
And I know why it happens. Except I can’t post there anymore since it was locked. I already asked postal if he could unlock it and he suggested I make a thread instead so here I am.
You could replicate the exact same thing by opening a webpage in your browser and putting the IP of a server in the url bar, and pressing refresh a bunch of times.
So there’s no real threat involved. In fact, the webpage owner has to edit the page to target a specific server in the first place.
So if you were to click that link, your IP would be added to the banlist of whoever’s server it was currently set to target at that time.
Remember, a real Gyazo link ends with .com, not .org. Always check the validity of a url some random guy sends you.