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Status published
Low
CVE-2022-1002
HTML Injection while inviting Guests
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Thanks to Imamul Mursalin for contributing to this improvement under the Mattermost responsible disclosure policy.
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
unspecified
Timeline
Official Publish:
March 18th, 2022
Last Modified:
December 6th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N