๐Ÿ” CVE Alert

CVE-2026-104414

HIGH 8.1

Ghost from 2.5.0 before 6.64.0 Stored XSS via oEmbed Photo Responses

CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor tryghost
Product ghost
Published Oct 2, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

TryGhost / Ghost
2.5.0 < 6.64.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-v3xr-g6p2-fvgv vulncheck.com: https://www.vulncheck.com/advisories/ghost-from-2.5.0-before-6.64.0-stored-xss-via-oembed-photo-responses

Credits

๐Ÿ” nhattanhh