htmlhelp.com XSS vulnerability

Vulnerable URL: http://www.htmlhelp.com/tools/valet/2/linktest.cgi?url="=2000-01-01=Full Details: Description| Value ---|--- Patched:| No Latest check for patch:| 12.11.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 131245 VIP website status:| No Check...