VULNERABILITY INTELLIGENCE
CVE-2023-1777
CVSS score6.5 MEDIUM
EPSS probability0.54%
CISA KEVNot currently listed
Published2023-03-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.
Weakness classification
- responsibledisclosure@mattermost.com: CWE-200
- nvd@nist.gov: CWE-668
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory