w3.org XSS vulnerability

Vulnerable URL: http://www.w3.org/WAI/GL/wiki/thumb.php?f=xssposed%23%3Cbody%09onload=confirm%28String.fromCharCode%2888,83,83,80,79,83,69,68%29%29%3E Details: Description| Value ---|--- Patched:| Yes, at 23.02.2016 Latest check for patch:| 23.02.2016 10:19 GMT Vulnerability type:| XSS...