CVE-2023-3613

Guest accounts invited and added to channels by Welcomebot plugin

Description

Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.

Remediation

Solution:

  • Update Mattermost to versions 7.8.6, 7.10.3 or higher. Alternatively, update the WelcomeBot plugin to version 1.3.0 or higher.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost Plugins
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2023-3613?
CVE-2023-3613 has been scored as a low severity vulnerability.
How to fix CVE-2023-3613?
To fix CVE-2023-3613: Update Mattermost to versions 7.8.6, 7.10.3 or higher. Alternatively, update the WelcomeBot plugin to version 1.3.0 or higher.
Is CVE-2023-3613 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3613 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-2023-3613?
CVE-2023-3613 affects Mattermost Mattermost Plugins.
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