CVE-2026-104414

8.1 HIGHpublic exploit available

Published 2026-10-02 · Updated 2026-10-02

AI risk analysis

Summary: A stored cross-site scripting vulnerability exists in Ghost from 2.5.0 before 6.64.0, allowing attackers to inject malicious scripts via oEmbed photo responses, compromising admin sessions and published content.
Exploitability: Exploitation requires control over oEmbed photo responses and embedding the URL in the Ghost editor, which is moderately difficult.
Blast radius: If exploited, attackers can compromise staff admin sessions, published site content, and newsletter emails, leading to significant data exposure.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to Ghost 6.64.0 or later.

xsswebcontent-injection

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses

CWE-79

Public exploit & PoC references

https://github.com/TryGhost/Ghost/security/advisories/GHSA-v3xr-g6p2-fvgv

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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