{"id":"CVE-2026-54717","aliases":["GHSA-w3cp-g2pf-65wh"],"url":"https://o3.security/vulnerability/CVE-2026-54717","summary":"Silverstripe: XSS in breadcrumbs in page list view","details":"Silverstripe CMS is an open source content management system. Prior to 6.2.1, page breadcrumbs in the CMS are vulnerable to cross-site scripting when viewed using the page list view, because page titles are rendered into the breadcrumb trail without being escaped. This issue is fixed in 6.2.1.","published":"2026-08-06T20:27:17.974Z","modified":"2026-09-10T03:31:03.744927222Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"silverstripe/cms","fixedVersion":"6.2.1"}],"fix":{"url":"https://github.com/silverstripe/silverstripe-cms/commit/62f9912baa18c80304f3fa8b6eca71bb5dc2d21e","label":"silverstripe/silverstripe-cms@62f9912"},"references":[{"type":"WEB","url":"https://github.com/silverstripe/silverstripe-cms/releases/tag/6.2.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54717.json"},{"type":"ADVISORY","url":"https://github.com/silverstripe/silverstripe-cms/security/advisories/GHSA-w3cp-g2pf-65wh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54717"},{"type":"FIX","url":"https://github.com/silverstripe/silverstripe-cms/commit/62f9912baa18c80304f3fa8b6eca71bb5dc2d21e"},{"type":"FIX","url":"https://github.com/silverstripe/silverstripe-cms/pull/3175"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:31:03.744927222Z"}}