CVE-2023-45223: Exposure of Sensitive Information to an Unauthorized Actor

November 27, 2023 (updated November 28, 2023)

Mattermost fails to properly validate the “Show Full Name” option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.

References

github.com/advisories/GHSA-p5pr-vm3j-jxxf
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2023-45223

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