Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.
History

Tue, 24 Feb 2026 19:00:00 +0000

Type Values Removed Values Added
Title HTML Injection while inviting Guests HTML Injection while inviting Guests

Fri, 06 Dec 2024 23:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2022-03-18T18:00:22.000Z

Updated: 2024-12-06T23:10:17.690Z

Reserved: 2022-03-17T00:00:00.000Z

Link: CVE-2022-1002

cve-icon Vulnrichment

Updated: 2024-08-02T23:47:42.975Z

cve-icon NVD

Status : Modified

Published: 2022-03-18T18:15:12.067

Modified: 2024-11-21T06:39:50.143

Link: CVE-2022-1002

cve-icon Redhat

No data.