{"schema_version":"1.3.1","id":"GO-2026-4317","modified":"2026-01-23T02:28:11Z","published":"2026-01-23T02:28:11Z","aliases":["CVE-2017-18892","GHSA-wj5w-qghh-gvqp"],"summary":"Mattermost Server does not neutralize HTML content in an Email template field in github.com/mattermost/mattermost-server","details":"Mattermost Server does not neutralize HTML content in an Email template field in github.com/mattermost/mattermost-server","affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.0.5+incompatible"},{"introduced":"4.1.0+incompatible"},{"fixed":"4.1.1+incompatible"},{"introduced":"4.2.0-rc1+incompatible"},{"fixed":"4.2.0+incompatible"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-wj5w-qghh-gvqp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18892"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/4e05fbffed4d7ad75c0bb55d67d2c6f7cf9eaad6"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/d76946bdb545aba4088943fc523dabb459d22873"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/f5167f3ba645b829f4c28530e13be6c3db967255"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4317","review_status":"UNREVIEWED"}}