CVE-2026-105651

high

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.

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6

https://github.com/TryGhost/Ghost/releases/tag/v6.64.0

https://github.com/TryGhost/Ghost/issues/30761

https://github.com/TryGhost/Ghost/commit/b41fe3f2c399cef058e6b487782a0b2263e86c03

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-92761

Details

Source: Mitre, NVD

Published: 2026-10-05

Updated: 2026-10-07

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Severity: High

EPSS

EPSS: 0.00302