{"id":"GHSA-9jrx-fgrm-96qh","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.","aliases":["CVE-2016-11073","GO-2025-4056"],"modified":"2025-11-05T19:42:14.545924Z","published":"2022-05-24T17:21:01Z","database_specific":{"nvd_published_at":"2020-06-19T20:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-10-22T20:52:14Z"},"references":[{"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"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9jrx-fgrm-96qh/GHSA-9jrx-fgrm-96qh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}