---
id: CVE-2026-104413
title: >-
  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
summary: >-
  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 tha…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: TryGhost
product: Ghost
affected:
  - Ghost >= 5.94.0 < 6.64.0
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T12:17:10.980'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104413'
references:
  - url: 'https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ghost-5.94.0-before-6.64.0-stored-xss-via-bookmark-card-images
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-02T12:17:44.326Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.