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CVE-2026-70588 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e	[email protected]	Source CodeVendor
https://github.com/TryGhost/Ghost/pull/29635	[email protected]	Source CodeVendor
https://github.com/TryGhost/Ghost/releases/tag/v6.54.1	[email protected]	Release NotesVendor
https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
Ghost	>= 5.26.0, < 6.54.1 (semver)
CPE cpe:2.3:a:ghost:ghost::::::node.js::* cpe:2.3:a:ghost:ghost:::::::: Remediation Upgrade: 6.54.1moderate efforthttps://github.com/TryGhost/Ghost/releases/tag/v6.54.1 Workaround:low effort Avoid using the Universal Import feature.

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 5, 2026	CVE Modified	CISA-ADP
Aug 4, 2026	New CVE Received	[email protected]