CVE-2023-47865

MEDIUM

Mattermost < 7.8.12, 8.0.0-8.1.3, 7.8.13 - Improper Access Control via Hardened Mode Bypass

Title source: llm
STIX 2.1

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

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0011
EPSS Percentile 28.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-284
Status published
Products (3)
mattermost/mattermost < 7.8.12
mattermost/mattermost 0 - 8.1.4Go
mattermost/mattermost-server 0 - 7.8.13Go
Published Nov 27, 2023
Tracked Since Feb 18, 2026