CVE-2023-35075 LOW

CVE-2023-35075: HTML injection via channel autocomplete

Vendor Mattermost
Product Mattermost
Weakness CWE-74
Published November 27, 2023
Last update June 3, 2025
View on NVD All CVEs

CVSS base score

3.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though. 

Key dates

02Disclosure timeline

November 27, 2023 CVE published
June 3, 2025 Record updated