CVE-2023-47865
Medium
Description
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
SeverityMedium
CVSS4.3
Exploit probability36. percentile0.4%
Product
Mattermost
PublishedNov 27, 2023
First seenNov 27, 2023
Weakness typeCWE-284Improper access control
How to fix
Update
- github.com/mattermost/mattermost/server/v88.1.4 or later
- github.com/mattermost/mattermost-server/v67.8.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost | v ≤ 7.8.12, 8.0.0 ≤ v ≤ 8.1.3 | — |
| github.com/mattermost/mattermost/server/v8Go | v < 8.1.4 | 8.1.4 |
| github.com/mattermost/mattermost-server/v6Go | v < 7.8.13 | 7.8.13 |
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