CVE-2023-45223

MEDIUM

Mattermost < 7.8.12, 8.0.0-8.1.3, 7.8.13 - Unauthorized Exposure of User Full Name via Boards Endpoints

Title source: llm

Description

Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0035

EPSS Percentile 57.7%

Attack Vector NETWORK

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

Details

CWE

CWE-200

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