CVE-2023-47865 MEDIUM

CVE-2023-47865: Username and Icon override can be used by members when Hardened Mode is enabled

Vendor Mattermost
Product Mattermost
Weakness CWE-284
Published November 27, 2023
Last update August 2, 2024

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

November 27, 2023 CVE published
August 2, 2024 Record updated