CVE-2026-70588

Ghost: Cross-Site Scripting in Universal Import

State: Published
Severity: 5.0 Medium
Published: Aug 4, 2026
Updated: Aug 5, 2026
Reserved: Aug 4, 2026

Description

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
GhostTryGhost	>= 5.26.0, < 6.54.1Affected

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf
https://github.com/TryGhost/Ghost/pull/29635
https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e
https://github.com/TryGhost/Ghost/releases/tag/v6.54.1

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