VULNERABILITY INTELLIGENCE

CVE-2023-3593

CVSS score4.3 MEDIUM

EPSS probability0.61%

CISA KEVNot currently listed

Published2023-07-17

Last modified2026-06-17

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

Description

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.