CVE-2022-1002

HTML Injection while inviting Guests

CVSS 2 LOWEPSS 0.6%CWE-80

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Mar 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Mattermost · Mattermost

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References

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