CVE-2025-54478

medium

Description

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.

References

https://github.com/advisories/GHSA-qpjq-c5hr-7925

https://mattermost.com/security-updates

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-24171

Details

Source: Mitre, NVD

Published: 2025-08-11

Updated: 2025-09-24

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N