CVE

CVE-2021-37859

7.1

CVSShigh

Exploitable remotely over the internet · no authentication required · user interaction needed.

Description

Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.

Attack Vector

Network

Privileges Req.

None

User Interaction

Required

mattermost

Updated Oct 24, 2026View on NVD →

S4E scanner

CVE-2021-37859 Scanner

CVE-2021-37859 Scanner - Cross-Site Scripting (XSS) vulnerability in Mattermost

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