{"action":"Upgrade github.com/mattermost/mattermost-server to 3.1.0+incompatible or later.","affected":[{"fixed":"3.1.0+incompatible","introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2016-11071"],"ecosystem":"Go","epss":0.0069,"exploited":false,"fixed_versions":["3.1.0+incompatible"],"ghsa_id":"GHSA-h3qg-w9j5-wh3m","id":"tcs_01M5KGB8652M934G1CA67YV70Q","modified_at":"2026-03-03T04:57:03.964029Z","published_at":"2025-10-30T15:02:33Z","references":["https://osv.dev/vulnerability/GO-2025-4058","https://github.com/advisories/GHSA-h3qg-w9j5-wh3m","https://nvd.nist.gov/vuln/detail/CVE-2016-11071","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GO-2025-4058","url":"https://osv.dev/vulnerability/GO-2025-4058"},{"source":"nvd","source_id":"CVE-2016-11071","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-11071"}],"summary":"Mattermost Server is vulnerable to XSS through lack of link relationship attributes `noreferrer` and `noopener` in github.com/mattermost/mattermost-server"}