CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NCVE-2023-47865
Medium (4.3) in mattermost mattermost. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.4.
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
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
- CWE
- CWE-284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-jj46-9cgh-qmfx | Go | github.com/mattermost/mattermost/server/v8 | <8.1.4 | 8.1.4 |
| GHSA-jj46-9cgh-qmfx | Go | github.com/mattermost/mattermost-server/v6 | <7.8.13 | 7.8.13 |