{"id":"CVE-2026-105651","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105651","generatedAt":"2026-10-28T03:26:02.995Z","title":"This allowed any staff user, including Contributors, to host arbitrary HTML on the site's domain, possibly resulting in compromise of other staff users' admin sessions.","description":"Ghost is a Node.js content management system. From 5.94.0 until 6.64.0, when creating a bookmark card, Ghost could store non-image files fetched from an external website as bookmark icons or thumbnails. This allowed any staff user, including Contributors, to host arbitrary HTML on the site's domain, possibly resulting in compromise of other staff users' admin sessions. This issue is fixed in version 6.64.0.","published":"2026-10-05T20:17:14.000Z","lastModified":"2026-10-07T22:17:02.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","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"},"cwe":["CWE-79","CWE-434"],"affected":[],"epss":{"score":0.00302,"percentile":0.22734,"date":"2026-10-26","history":[{"date":"2026-10-06","score":0.00302,"percentile":0.20926}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T20:17:14.000Z","detail":{"score":"7.3","severity":"HIGH","publishedAt":"2026-10-05T20:17:14.010Z"},"summary":"New CVE, high severity (CVSS 7.3)."}],"references":[{"url":"https://github.com/TryGhost/Ghost/commit/b41fe3f2c399cef058e6b487782a0b2263e86c03","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/issues/30761","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.64.0","source":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105651","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}