CVE-2023-2793

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CVSS 3.1

6.5 medium

EPSS

<1%p45

Published

Jun 16, 2023 (Jun 16, 2023)

Modified

Jun 17, 2026

Description

Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.

Vendors: mattermost
Products: mattermost
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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