Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an attack by a Student against a Teaching Fellow.
5.4CVSS
5.2AI Score
0.001EPSS
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
6.1CVSS
6.3AI Score
0.002EPSS