Vulnerability Details : CVE-2023-35075
Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2023-35075
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-35075
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-35075
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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 | |
|
3.1
|
LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
1.6
|
1.4
|
Mattermost, Inc. |
CWE ids for CVE-2023-35075
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- responsibledisclosure@mattermost.com (Secondary)
References for CVE-2023-35075
-
https://mattermost.com/security-updates
Security Updates - Mattermost Open Source Collaboration PlatformVendor Advisory
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