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CVE-2026-105679— Ghost: Stored XSS via File Uploads on Local Storage

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 6.22.1 到 6.64.0，Ghost 限制了用于服务上传文件的 Content-Type，以防止浏览器执行这些文件。然而，在使用默认本地存储适配器的网站上，这一限制并未生效，因此由任何工作人员用户上传的文件都会根据其文件扩展名确定 Content-Type 来提供服务。这可能导致攻击者在该网站域下托管脚本，从而可能引发其他工作人员管理员会话的 compromised（被攻破或劫持）。该问题已在版本 6.64.0 中得到修复。

CVSS 7.3 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
TryGhost Ghost >= 6.22.1, < 6.64.0 affected
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I. Basic Information for CVE-2026-105679

Vulnerability Information
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Vulnerability Title
Ghost: Stored XSS via File Uploads on Local Storage
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost is a Node.js content management system. From 6.22.1 until 6.64.0, Ghost restricted the content type used to serve uploaded files to prevent browsers from executing them. On sites using the default local storage adapter, this restriction was not applied, so files uploaded by any staff user were served with a content type derived from their file extension. This could be used to host scripts on the site's domain, possibly resulting in compromise of other staff users' admin sessions. This issue is fixed in version 6.64.0.
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 >= 6.22.1, < 6.64.0 -

II. Public POCs for CVE-2026-105679

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III. Intelligence Information for CVE-2026-105679

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Vendor Advisories for CVE-2026-105679 (1)

Other References for CVE-2026-105679 (3)

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-2026-105649 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-2026-105644 6.8 MEDIUM Ghost: Stored XSS via SVG Files in Content Imports
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-2026-105676 4.9 MEDIUM Ghost: Path Traversal via Locale Setting
CVE-2026-105645 4.9 MEDIUM Ghost: Regular Expression Denial of Service in External Media Inliner
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-2026-105679

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