{"id":"GO-2025-4050","summary":"Mattermost Server is vulnerable to XSS through customizable theme color-code values in github.com/mattermost/mattermost-server","details":"Mattermost Server is vulnerable to XSS through customizable theme color-code values in github.com/mattermost/mattermost-server","aliases":["CVE-2016-11070","GHSA-h8qw-xqm9-q66j"],"modified":"2026-03-03T04:57:02.165307Z","published":"2025-10-30T15:02:33Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2025-4050"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h8qw-xqm9-q66j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-11070"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/c5deb333db40e4e527f98edb93b41d1b66cfec5f"},{"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":"3.1.0+incompatible"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4050.json"}}],"schema_version":"1.7.3"}