GHSA-cgc2-rcrh-qr5x
Suggest an improvement- Source
- https://github.com/advisories/GHSA-cgc2-rcrh-qr5x
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-cgc2-rcrh-qr5x/GHSA-cgc2-rcrh-qr5x.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-cgc2-rcrh-qr5x
- Aliases
- Published
- 2026-03-03T20:01:21Z
- Modified
- 2026-03-07T09:41:04.560861Z
- Severity
-
- 7.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- Ghost Vulnerable to Remote Code Execution via Malicious Themes
- Details
-
Impact
Specifically crafted malicious themes can execute arbitrary code on the server running Ghost.
Vulnerable Versions
This vulnerability is present in Ghost v0.7.2 to v6.19.0.
Patches
v6.19.1 contains a fix for this issue.
Workarounds
Ghost generally recommends users refrain from installing untrusted themes. If a malicious theme has already been installed, it is recommended to uninstall the theme and then inspect it to understand its impact, which will be attack-specific.
References
Ghost thanks Cristian-Alexandru Staicu at Endor Labs for disclosing this vulnerability responsibly.
For more information
If there are any questions or comments about this advisory, email Ghost at security@ghost.org.
- Database specific
{ "github_reviewed": true, "github_reviewed_at": "2026-03-03T20:01:21Z", "cwe_ids": [ "CWE-74" ], "severity": "HIGH", "nvd_published_at": "2026-03-05T06:16:50Z" }- References
Affected packages
npm / ghost
Package
- Name
- ghost
- View open source insights on deps.dev
- Purl
- pkg:npm/ghost