Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim\'s page by create a channel name that is valid HTML. No XSS is possible though.
Metrics
CVSS Version: 3.1 |
Base Score: 3.1 LOW Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N