SecuriTricks - CVE-2025-41395

Description

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.

Product(s) Impacted

Vendor	Product	Versions
Mattermost	Mattermost	10.4., 10.5., 9.11.*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1287

Improper Validation of Specified Type of Input

The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mattermost	mattermost	10.4.*	/	/	/	/	/	/	/
a	mattermost	mattermost	10.5.*	/	/	/	/	/	/	/
a	mattermost	mattermost	9.11.*	/	/	/	/	/	/	/

References

https://mattermost.com/security-updates

CVSS Score

6.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

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

View Vector String

Timeline

Published: April 24, 2025, 7:15 a.m.
Last Modified: April 24, 2025, 7:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

responsibledisclosure@mattermost.com

CVE-2025-41395