kraus-ulrich.de XSS vulnerability

Vulnerable URL: https://www.kraus-ulrich.de/referenzbilder/svcore/full.html?bg=xss"=https%3A%2F%2Fwww.kraus-ulrich.de%2Freferenzbilder%2Fgallery.xml=https://www.kraus-ulrich.de/referenzbilder/=true=true=false=true=true=true=%23fff=%23fff=true=-1=Kraus%20%26%20Ulrich%20GmbH%20-%20Referenzbilder...