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CVE-2026-104413— Ghost 5.94.0 before 6.64.0 Stored XSS via Bookmark Card Images

Quick assessment

Affected
TryGhost Ghost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ghost 在 5.94.0 版本之前至 6.64.0 版本之间存在一个存储型跨站脚本（XSS）漏洞。该漏洞允许包括 Contributors 在内的员工用户，通过滥用书签卡片图片获取功能，上传任意 HTML 内容。攻击者可创建书签卡片，将外部网站上的非图片文件存储为图标或缩略图，从而窃取其他员工用户的管理会话，导致会话被劫持。

CVSS 7.3 · High EPSS 0.26% · P16

Affected Version Matrix 2

VendorProduct Version RangeStatus
TryGhost Ghost 5.94.0< 6.64.0 affected
6.64.0 unaffected
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I. Basic Information for CVE-2026-104413

Vulnerability Information
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Vulnerability Title
Ghost 5.94.0 before 6.64.0 Stored XSS via Bookmark Card Images
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TryGhost Ghost 5.94.0 ~ 6.64.0 -

II. Public POCs for CVE-2026-104413

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-104413

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Vendor Advisories for CVE-2026-104413 (1)

News Coverage for CVE-2026-104413 (1)

Same Patch Batch · TryGhost · 2026-10-02 · 8 CVEs total

CVE-2026-104414 8.1 HIGH Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo Responses
CVE-2026-104416 7.5 HIGH Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API
CVE-2026-104411 7.3 HIGH Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads
CVE-2026-104418 7.2 HIGH Ghost from 6.10.3 before 6.64.0 RCE via Theme Translation Files
CVE-2026-104417 4.9 MEDIUM Ghost 1.20.0 before 6.64.0 Path Traversal via Locale Setting
CVE-2026-104412 4.3 MEDIUM Ghost 0.5.0 before 6.64.0 Privilege Escalation via Staff Role Assignment
CVE-2026-104415 3.1 LOW Ghost 0.7.2 before 6.64.0 Password Hash Ordering Disclosure via Admin API

IV. Related Vulnerabilities

Same product: Ghost
Same vendor: TryGhost
Same weakness: CWE-79

V. Comments for CVE-2026-104413

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