Ghost: Cross-Site Scripting in Universal Import

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-70588
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-04 21:16:38 UTC
Updated2026-08-04 21:16:38 UTC
DescriptionGhost 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.

Risk And Classification

Primary CVSS: v3.1 5 MEDIUM from [email protected]

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

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L
3.1CNADECLARED5MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TryGhost Ghost affected >= 5.26.0, < 6.54.1 Not specified

References

ReferenceSourceLinkTags
github.com/TryGhost/Ghost/releases/tag/v6.54.1 [email protected] github.com
github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf [email protected] github.com
github.com/TryGhost/Ghost/pull/29635 [email protected] github.com
github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e [email protected] github.com
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