CVE-2022-1002

HTML Injection while inviting Guests

Published Mar 18, 2022 CVSS 3.1 · 2 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update Mattermost to version v6.4 or higher

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-24352 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
Type Values Removed Values Added
Title HTML Injection while inviting Guests HTML Injection while inviting Guests
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Dec 6, 2024, 11:10 PM
Reserved
Mar 17, 2022, 12:00 AM
Status
Modified
Published
Mar 18, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:21 AM