Major Internet Explorer Vulnerability - NOT Patched

Deusen just published code and description here:
http://www.deusen.co.uk/items/insider3show.3362009741042107/
which demonstrates the serious security issue.

Summary
An Internet Explorer vulnerability is shown here:
Content of dailymail.co.uk can be changed by external domain.

How To Use

1. Close the popup window("confirm" dialog) after three seconds.
2. Click "Go".
3. After 7 seconds, "Hacked by Deusen" is actively injected into dailymail.co.uk.

Technical Details
Vulnerability: Universal Cross Site Scripting(XSS)
Impact: Same Origin Policy(SOP) is completely bypassed
Attack: Attackers can steal anything from another domain, and inject anything into another domain
Tested: Jan/29/2015 Internet Explorer 11 Windows 7

If you like it, please reply "nice".

Kind Regards,