Medium severity · published Mar 18, 2022
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…
5.4
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
before 6.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1002
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1002
Exploit
https://hackerone.com/reports/1443567
Release Notes
https://mattermost.com/security-updates/
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