CVE-2023-4106

A guest user can perform various actions on public playbooks

Description

Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.

Remediation

Solution:

  • Update Mattermost Server to versions 7.8.8, 7.9.5, 7.10.4 or higher. Otherwise, update the Playbooks plugin to version v1.37.0 or higher.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-4106?
CVE-2023-4106 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4106?
To fix CVE-2023-4106: Update Mattermost Server to versions 7.8.8, 7.9.5, 7.10.4 or higher. Otherwise, update the Playbooks plugin to version v1.37.0 or higher.
Is CVE-2023-4106 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4106 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4106?
CVE-2023-4106 affects Mattermost Mattermost.
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