High
MJML vulnerable to path traversal
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | mjml | < 4.6.3 | 4.6.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-12827
- https://github.com/mjmlio/mjml/commit/30e29ed2cdaec8684d60a6d12ea07b611c765a12
- https://github.com/mjmlio/mjml
- https://github.com/mjmlio/mjml/releases/tag/v4.6.3
- http://packetstormsecurity.com/files/158111/MJML-4.6.2-Path-Traversal.html
- http://seclists.org/fulldisclosure/2020/Jun/23
CVSS score
7.2/10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L- Weakness (CWE)
CWE-22- Platform
- npm
- Package
mjml- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4hch-r9xf-6vfr - CC BY 4.0
Vulnerability history: mjml
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
- 2
- First → latest
- 05.2022 12.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 0
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MJML vulnerable to path traversal this entry
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