CVE-2020-12827: Mjml

High severity, CVSS 7.2. EPSS: 2.7% chance of exploitation in the next 30 days.

MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.

Affected products

• Mjml Mjml: before 4.6.3 (fixed in 4.6.3)

Published 2020-06-17. Last modified 2026-06-17.