CVE-2023-2792

Ephemeral messages return private channel contents in permalink previews

CVSS 6.5 MEDIUMEPSS 0.6%CWE-200

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

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

Affected products

Mattermost · Mattermost

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References

https://mattermost.com/security-updates/