In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line through 6.3 and Ultimaker 3 through 5.2.16, the local webserver can be used for clickjacking. This includes the settings page.
https://ultimaker.com/3d-printers/ultimaker-s5
https://ultimaker.com/3d-printers/ultimaker-s3
https://kth.diva-portal.org/smash/get/diva2:1623489/FULLTEXT01.pdf