Npm Ghost vulnerabilities

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Published CVEs affecting Npm Ghost: 3 record(s), with affected versions and fixes.

CVE-2026-105678 Medium · 4.3 CWE-269 Oct 5, 2026

Ghost: Editors Could Promote Staff Users to Their Own Role

Ghost is a Node.js content management system. From 0.5.0 until 6.64.0, staff users with the Editor or Super Editor role were able to assign their own role to Author and Contributor users, despite not having permission to assign that role. This issue is fixed in version 6.64.0.

CVE-2026-105651 High · 7.3 CWE-79 Oct 5, 2026

Ghost: Stored XSS via Bookmark Card Images

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.

CVE-2026-105646 Medium · 4.9 CWE-1333 Oct 5, 2026

Ghost: Regular Expression Denial of Service in Content Import

Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, a crafted content import file could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.