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CVE-2026-104414— Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo Responses

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 2.5.0 至 6.64.0（不含）版本中存在一个存储型跨站脚本（XSS）漏洞，攻击者可以通过 oEmbed 照片响应将不受信任的脚本注入到文章（post）内容中。攻击者可托管恶意的 oEmbed 照片响应，使得嵌入其 URL 后，在 Ghost 编辑器、已发布的网站以及新闻邮件中执行这些脚本，从而危及工作人员管理会话的安全。

CVSS 8.1 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
TryGhost Ghost 2.5.0< 6.64.0 affected
6.64.0 unaffected
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I. Basic Information for CVE-2026-104414

Vulnerability Information
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Vulnerability Title
Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo Responses
Source: CVE Program / CVE List V5
Vulnerability Description
Ghost from 2.5.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows attackers to inject untrusted scripts into post content via oEmbed photo responses. Attackers can host malicious oEmbed photo responses so that embedding their URL stores scripts that run in the Ghost editor, published site, and newsletter emails, compromising staff admin sessions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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 2.5.0 ~ 6.64.0 -

II. Public POCs for CVE-2026-104414

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III. Intelligence Information for CVE-2026-104414

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Vendor Advisories for CVE-2026-104414 (2)

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

CVE-2026-104416 7.5 HIGH Ghost 4.39.0 before 6.64.0 Invite Token Disclosure via Admin API
CVE-2026-104413 7.3 HIGH Ghost 5.94.0 before 6.64.0 Stored XSS via Bookmark Card Images
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-2026-104414

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