CVE-2020-12827
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
- Record
CVE-2020-12827- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
- Record
CVE-2020-12827- Updated
- 2026-11-02
EUVDEUVD-2022-2384 No score
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
- Record
EUVD-2022-2384- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4hch-r9xf-6vfr
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.
- Record
GHSA-4hch-r9xf-6vfr- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
- Record
CVE-2020-12827- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - Updated
- 2026-11-02
OSVGHSA-4hch-r9xf-6vfr
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.
- Record
GHSA-4hch-r9xf-6vfr- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mjmlnpm |
before 4.6.3 | 4.6.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12827 is a high vulnerability (CVSS 7.2) in Mjml, published June 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.66%, the 85th percentile. Fixed in mjml 4.6.3.