CVE-2024-47003

Name: CVE-2024-47003
Creator: NVD / NIST
Published: 2024-09-26T08:15:06.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2024-47003 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 9.5.0, < 9.5.9
Mattermost	Mattermost Server	9.11.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Sep 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-47003?

How severe is CVE-2024-47003?

CVE-2024-47003 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2024-47003?

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-2024-47003?

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

Scan your code now

Source: NVD / NIST