CVE-2026-29053

Ghost Vulnerable to Remote Code Execution via Malicious Themes

State: Published
Severity: 7.7 High
Published: Mar 5, 2026
Updated: Mar 5, 2026
Reserved: Mar 3, 2026

Description

Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can execute arbitrary code on the server running Ghost. This issue has been patched in version 6.19.1.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Affected Products

Product	Versions
GhostTryGhost	>= 0.7.2, < 6.19.1Affected

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5x

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