app.sennheiser.com XSS vulnerability

Vulnerable URL: http://app.sennheiser.com/sennheiser/sw-downloads.nsf/download?OpenForm=Digital 9000=Wireless Systems Manager〈=en=SennheiserWSMSetup4093MAC.dmg=1=asd';alert"XSSPOSED"// Details: Description| Value ---|--- Patched:| Yes, at 25.07.2017 Latest check for patch:| 25.07.2017 18:55 GMT...