CVE-2016-11070: Mattermost Server

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Server before 3.1.0. It allows XSS via theme color-code values.

Affected products

• Mattermost Mattermost Server: before 3.1.0 (fixed in 3.1.0)

Published 2020-06-19. Last modified 2026-06-17.