CVE-2026-105651
highGhost is a Node.js content management system.
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.
CVSS
7.3
7.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (security-advisories@github.com)
Timeline (UTC)
Published: 2026-10-05 20:17
Modified: 2026-10-07 22:17
NVD status: Deferred
Last synced 3 days ago
Verified against the source API 2026-10-27 06:57 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/TryGhost/Ghost/commit/b41fe3f2c399cef058e6b487782a0b2263e86c03 security-advisories@github.com
- https://github.com/TryGhost/Ghost/issues/30761 security-advisories@github.com
- https://github.com/TryGhost/Ghost/releases/tag/v6.64.0 security-advisories@github.com
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6 security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:57 UTC · record ↗