{"id":"GO-2026-4317","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","aliases":["CVE-2017-18892","GHSA-wj5w-qghh-gvqp"],"modified":"2026-03-03T04:57:51.379056Z","published":"2026-01-23T02:28:11Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4317"},"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"}],"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":"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":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4317.json"}}],"schema_version":"1.7.3"}