{"action":"Upgrade github.com/mattermost/mattermost-server to 4.0.5 or later.","affected":[{"fixed":"4.0.5","introduced":"0"},{"fixed":"4.1.1","introduced":"4.1.0"},{"fixed":"4.2.0","introduced":"4.2.0-rc1"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18893"],"ecosystem":"Go","epss":0.0069,"exploited":false,"fixed_versions":["4.0.5","4.1.1","4.2.0"],"ghsa_id":"GHSA-887v-xh2x-47cm","id":"tcs_01M5KF3BRK3RETS55NWZRYC7ZE","modified_at":"2026-02-03T03:02:37.891050Z","published_at":"2022-05-24T17:21:05Z","references":["https://osv.dev/vulnerability/GHSA-887v-xh2x-47cm","https://nvd.nist.gov/vuln/detail/CVE-2017-18893","https://github.com/mattermost/mattermost/commit/2a4d88d07c5815deac103e109550d25338507151","https://github.com/mattermost/mattermost/commit/670bfbf62686ebe9f2ab332733d851a62b6950b0","https://github.com/mattermost/mattermost/commit/d0b42b9e527e93a61fd06a9b9106fc97067807e4","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-887v-xh2x-47cm","url":"https://osv.dev/vulnerability/GHSA-887v-xh2x-47cm"}],"summary":"Mattermost Server is vulnerable to XSS through display name field"}