CVE-2022-1002

HTML Injection while inviting Guests

State: Published
Severity: 2.0 Low
Published: Mar 18, 2022
Updated: Dec 6, 2024
Reserved: Mar 17, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	2.0 Low	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N	Mattermost

Weaknesses

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Affected Products

Product	Versions
MattermostMattermost	6.3 and earlierAffected

References

https://mattermost.com/security-updates/
https://hackerone.com/reports/1443567

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