{"id":"GO-2025-4184","summary":"Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names in github.com/mattermost/mattermost-server","details":"Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names in github.com/mattermost/mattermost-server","aliases":["CVE-2017-18871","GHSA-jc6w-8r7f-vmp5"],"modified":"2026-03-03T04:57:47.614932Z","published":"2025-12-08T21:31:36Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2025-4184","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-jc6w-8r7f-vmp5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18871"},{"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":"4.2.2+incompatible"},{"introduced":"4.3.0-rc1+incompatible"},{"fixed":"4.3.4+incompatible"},{"introduced":"4.4.0-rc1+incompatible"},{"fixed":"4.4.5+incompatible"},{"introduced":"4.5.0-rc1+incompatible"},{"fixed":"4.5.0+incompatible"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4184.json"}}],"schema_version":"1.7.3"}