website-php.com XSS vulnerability

Vulnerable URL: http://www.website-php.com/en/tutorials/textbox/textbox-09.html/"--!"/ Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.08.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 6480869 VIP website status:| No Check...