{"id":"CVE-2023-47865","details":"Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled\n\n","aliases":["GHSA-jj46-9cgh-qmfx"],"modified":"2026-03-13T07:46:12.657849Z","published":"2023-11-27T09:15:32.587Z","related":["CGA-2pfh-rpmm-7w7m"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"last_affected":"b69ff7d1038609a4a29a7db104679d21da10ad09"},{"introduced":"90f502dc2dc80ee25cfb7d7bc3e743b53564a5a7"},{"last_affected":"4fe1024a51f22f239c19c33838dbdcf7589b7b94"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"7.8.12"},{"introduced":"8.0.0"},{"last_affected":"8.1.3"}]}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-47865.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}