Home/CVE/Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can ex
CVE

CVE-2026-29053

Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can ex

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.

HIGH · CVSS 7.6 EPSS 0.0003
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
ghost>= 0.7.2 and < 6.19.1
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm ghost HIGH fixed in 6.19.1
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Mar 2026 · 06:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5xVendor Advisory
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