CVE-2023-1777

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CVSS 3.1

5.3 medium

EPSS

<1%p44

Published

Mar 31, 2023 (Mar 31, 2023)

Modified

Jun 17, 2026

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.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-200, CWE-668
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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