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GHSA-p5pr-vm3j-jxxf

Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2023-45223

Packages

EcosystemPackageAffectedFixed in
Go github.com/mattermost/mattermost/server/v8 < 8.1.4 8.1.4
Go github.com/mattermost/mattermost-server/v6 < 7.8.13 7.8.13

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.