CVE-2023-2281

Name: CVE-2023-2281
Creator: NVD / NIST
Published: 2023-04-25T14:15:09.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-2281 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team. . EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.47%

37.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	< 7.9.0

References

https://mattermost.com/security-updates/Vendor Advisory
https://mattermost.com/security-updates/Vendor Advisory

Timeline

Published: Apr 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2281?

How severe is CVE-2023-2281?

CVE-2023-2281 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2281?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2281?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST