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CVE-2026-105644— Ghost: Stored XSS via SVG Files in Content Imports

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 是一个基于 Node.js 的内容管理系统。从版本 4.0.0 至 6.67.0，在导入内容时，其中包含的 SVG 图片未经过任何清理（sanitization）处理即被直接存储。攻击者若能诱导管理员导入特制的文件，即可在站点域名下托管恶意脚本，可能导致员工用户的管理会话被劫持或系统被进一步渗透。该问题已在版本 6.67.0 中修复。

CVSS 6.8 · Medium

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
TryGhost Ghost >= 4.0.0, < 6.67.0 affected
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I. Basic Information for CVE-2026-105644

Vulnerability Information
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Vulnerability Title
Ghost: Stored XSS via SVG Files in Content Imports
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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 >= 4.0.0, < 6.67.0 -

II. Public POCs for CVE-2026-105644

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III. Intelligence Information for CVE-2026-105644

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Other References for CVE-2026-105644 (4)

Same Patch Batch · TryGhost · 2026-10-05 · 20 CVEs total

CVE-2026-105642 8.8 HIGH Ghost: Remote Code Execution via Bookmark Card Images
CVE-2026-105650 8.1 HIGH Ghost: Stored XSS via oEmbed Photo Responses
CVE-2026-105675 7.5 HIGH Ghost: Invite Token Disclosure in Ghost Admin API
CVE-2026-105643 7.3 HIGH Ghost: Stored XSS via Embed Card Previews
CVE-2026-105651 7.3 HIGH Ghost: Stored XSS via Bookmark Card Images
CVE-2026-105679 7.3 HIGH Ghost: Stored XSS via File Uploads on Local Storage
CVE-2026-105649 7.3 HIGH Ghost: Stored XSS via SVG Uploads Bypassing Sanitization
CVE-2026-105677 7.2 HIGH Ghost: Remote Code Execution via Theme Translation Files
CVE-2026-105681 6.5 MEDIUM Ghost: Authorization Bypass in Comments Feature
CVE-2026-105680 6.5 MEDIUM Ghost: Authorization Issue Allowed Author Role to Delete any Post
CVE-2026-105646 4.9 MEDIUM Ghost: Regular Expression Denial of Service in Content Import
CVE-2026-105645 4.9 MEDIUM Ghost: Regular Expression Denial of Service in External Media Inliner
CVE-2026-105676 4.9 MEDIUM Ghost: Path Traversal via Locale Setting
CVE-2026-105678 4.3 MEDIUM Ghost: Editors Could Promote Staff Users to Their Own Role
CVE-2026-105647 4.0 MEDIUM Ghost: Server-Side Request Forgery in Bookmark Fetching
CVE-2026-105648 4.0 MEDIUM Ghost: Private IP Filtering Bypass via IPv6 Transition Addresses
CVE-2026-105683 3.8 LOW Ghost: Path Traversal Vulnerability in Ghost ImageSize Service
CVE-2026-105652 3.1 LOW Ghost: Password Hash Ordering Disclosure in Ghost Admin API
CVE-2026-105682 2.7 LOW Ghost: Server-Side Request Forgery in Webhook Trigger

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-105644

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