CVE-2020-12827
MJML prior to 4.6.3 contains a path traversal vulnerability when processing the mj-include directive within an MJML document.
Date published : 2020-06-17
http://seclists.org/fulldisclosure/2020/Jun/23
http://packetstormsecurity.com/files/158111/MJML-4.6.2-Path-Traversal.html