[HIGH] Mautic vulnerable to Relative Path Traversal / Arbitrary File Deletion due to GrapesJS builder

PKSA-xg8c-5dhf-6tcn CVE-2021-27916 GHSA-9fcx-cv56-w58p

Affected package: mautic/core

Affected version: >=5.0.0-alpha,<5.0.4|>=3.3.0,<4.4.12

Reported by:
GitHub