Vulnerability Details : CVE-2022-1002
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2022-1002
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-1002
0.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-1002
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
|
2.0
|
LOW | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N |
0.5
|
1.4
|
Mattermost, Inc. |
CWE ids for CVE-2022-1002
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
-
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.Assigned by: responsibledisclosure@mattermost.com (Secondary)
References for CVE-2022-1002
-
https://hackerone.com/reports/1443567
Sign inExploit;Third Party Advisory
-
https://mattermost.com/security-updates/
Security Updates - Mattermost - Open Source, On-Prem or Private Cloud MessagingRelease Notes;Vendor Advisory
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