{"id":"CVE-2016-11071","details":"An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.","aliases":["GHSA-h3qg-w9j5-wh3m","GO-2025-4058"],"modified":"2026-07-31T18:30:07.156279615Z","published":"2020-06-19T20:15:11.273Z","related":["openSUSE-SU-2025:15710-1","openSUSE-SU-2026:21483-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0"},{"fixed":"974238231b9cdbd39a825ec8e9299fbb0b51f6b8"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.1.0"}],"source":"CPE_RANGE"}}],"versions":["v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-11071.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}