CVE-2020-12882: Rcos Submitty

Medium severity, CVSS 5.4. EPSS: 1.2% chance of exploitation in the next 30 days.

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.

Affected products

• Rcos Submitty: up to and including 20.04.01

Published 2020-05-15. Last modified 2026-06-17.