Target=”_blank” — the most underestimated vulnerability ever

Alex Yumashev
May 4, 2016 · 1 min read
window.opener.location = ‘https://fakewebsite/';

How to fix

rel="noopener noreferrer"
var newWnd =;
newWnd.opener = null;

Alex Yumashev

Written by

Founder of Hacker, father, snowboarder, bass-player.

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