medium4.3
CVE-2023-47865
Mattermost Improper Access Control vulnerability
Impact
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
Affected packages
| Ecosystem | Package | Affected | Fixed 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 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost | through 7.8.12 from 8.0.0 through 8.1.3 |