{"id":"CVE-2017-18892","details":"An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.","aliases":["GHSA-wj5w-qghh-gvqp","GO-2026-4317"],"modified":"2026-08-03T02:14:50.157317889Z","published":"2020-06-19T19:15:10.840Z","related":["SUSE-SU-2026:0292-1","openSUSE-SU-2026:21483-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"ff513427371cd84e07b19c0586d419dbed976b31"},{"introduced":"0033e3e37b12cb5d951d21492500d66a6abc472b"},{"fixed":"5549c9149e80537d0f431b6b3ebf638c35568c4f"}]}],"versions":["v4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18892.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}