{"id":"CVE-2026-26276","aliases":["GHSA-vgjm-2cpf-4g7c","GO-2026-4627"],"url":"https://o3.security/vulnerability/CVE-2026-26276","summary":"Gogs: DOM-based XSS via milestone selection","details":"Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.","published":"2026-03-05T18:51:13.530Z","modified":"2026-08-07T11:50:32.188652804Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"gogs.io/gogs","fixedVersion":null}],"fix":{"url":"https://github.com/gogs/gogs/pull/8178","label":"gogs/gogs#8178"},"references":[{"type":"WEB","url":"https://github.com/gogs/gogs/releases/tag/v0.14.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26276.json"},{"type":"ADVISORY","url":"https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26276"},{"type":"FIX","url":"https://github.com/gogs/gogs/pull/8178"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:32.188652804Z"}}