VulnerabilityModified
CVE-2022-1002
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.
MEDIUM 5.4EPSS 0.65%
Does this matter?
Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-80, CWE-79
- Affected
- mattermost/mattermost
- Source
- responsibledisclosure@mattermost.com
References
- https://hackerone.com/reports/1443567Exploit, Third Party Advisory
- https://mattermost.com/security-updates/Release Notes, Vendor Advisory
- https://hackerone.com/reports/1443567Exploit, Third Party Advisory
- https://mattermost.com/security-updates/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.