VULNERABILITY INTELLIGENCE

CVE-2018-21265

CVSS score5.3 MEDIUM

EPSS probability0.77%

CISA KEVNot currently listed

Published2020-06-19

Last modified2026-06-17

Description

An issue was discovered in Mattermost Desktop App before 4.0.0. It mishandled the Same Origin Policy for setPermissionRequestHandler (e.g., video, audio, and notifications).