{"id":"CVE-2018-21265","details":"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).","modified":"2026-07-08T16:40:44.488435Z","published":"2020-06-19T17:15:13.117Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/desktop","events":[{"introduced":"0"},{"fixed":"12622bf80d7dd128364036387f41cd48dbb8429e"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"4.0.0"}],"source":"CPE_RANGE"}}],"versions":["v1.3.0-rc2","v1.3.0","v1.3.0-rc1","v1.2.0","v1.1.1","v1.1.0","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0","v0.5.1","v0.5.0","v0.4.0","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-21265.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}