{"id":"CVE-2016-11073","aliases":["GHSA-9jrx-fgrm-96qh","GO-2025-4056"],"url":"https://o3.security/vulnerability/CVE-2016-11073","summary":"Mattermost Server is vulnerable to XSS via a Legal or Support setting","details":"An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a Legal or Support setting.","published":"2020-06-19T20:15:11.397Z","modified":"2026-10-24T10:31:04.482091915Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"3.0.0"}],"fix":{"url":"https://github.com/mattermost/mattermost/commit/5ed7c3baa5b44356e92551c05e75ef2a47e2bf9b","label":"mattermost/mattermost@5ed7c3b"},"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-11073"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/5ed7c3baa5b44356e92551c05e75ef2a47e2bf9b"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:31:04.482091915Z"}}