CVE-2023-1562

4.3 mediumEPSS 0.5%

Medium (4.3) in mattermost mattermost. EPSS 0.5% chance of exploitation in the next 30 days.

Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.

Severity

CVSS 3.1

4.3 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWEs: CWE-668, CWE-200
Published: 2023-03-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mattermost:mattermost

References

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

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