CVE-2021-37860 Information

Description

Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1