Ghost Vulnerable to Remote Code Execution via Malicious Themes
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | ghost | >= 0.7.2, < 6.19.1 | 6.19.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-74- Platform
- npm
- Package
ghost- Disclosed
- 03.03.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-cgc2-rcrh-qr5x - CC BY 4.0
Vulnerability history: ghost
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 61
- First → latest
- 04.2021 10.2026
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- Critical 4
- High 16
- Medium 38
- Low 3
Disclosures per year
- 2021: 5
- 2022: 4
- 2023: 3
- 2024: 3
- 2025: 1
- 2026: 45
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Ghost Vulnerable to Remote Code Execution via Malicious Themes this entry
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