millersvacuum.com XSS vulnerability

Vulnerable URL: http://www.millersvacuum.com/page.php?pageType=singleCat"'--!==gridKNOXSS Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated VIP website status...