GHSA-45h5-66jx-r2wfMediumCVSS 4.5

MJML allows mj-include directory traversal due to an incomplete fix for CVE-2020-12827

Published
December 15, 2025
Last Modified
June 26, 2026

🔗 CVE IDs covered (1)

📋 Description

MJML before 5.0.0-alpha.9 allows mj-include directory traversal to test file existence and (in the type="css" case) read files. NOTE: this issue exists because of an incomplete fix for CVE-2020-12827.

🎯 Affected products1

  • npm/mjml:< 5.0.0-alpha.9

🔗 References (6)