CVE-2023-43754 MEDIUM

CVE-2023-43754: Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels

Vendor Mattermost
Product Mattermost
Weakness CWE-200 · Info exposure
Published November 27, 2023
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 

Key dates

02Disclosure timeline

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