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CVE-2026-104413BIT-ghost-2026-104413BIT-ghost-2026-105651CVE-2026-105651GHSA-347q-26qq-h2p6

Ghost 5.94.0 before 6.64.0 Stored XSS via Bookmark Card Images

TryGhost GhostnpmApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.26%Chance of exploitation activity in the next 30 days, higher than 16% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in6.64.0Fixed versionCVE List
Published2 Oct 2026Updated 13 Oct 2026CVE List

What fixes it

  • 6.64.0GhostCVE List
  • 6.64.0ghost, npmOSVnpm install ghost@6.64.0

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Ghost from 5.94.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users, including Contributors, to host arbitrary HTML by abusing bookmark card image fetching. Attackers can create bookmark cards that store non-image files from external websites as icons or thumbnails to compromise other staff users' admin sessions.

Text from CVE List

Affected versions 3

  • Ghostaffected: 5.94.0 before 6.64.0CVE List
  • Ghostunaffected: 6.64.0CVE List
  • ghost, npmfrom 5.94.0, fixed in 6.64.0OSV

References 2