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).
{ "versions": [ { "introduced": "0" }, { "fixed": "4.0.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-21265.json"