[MEDIUM] SS-2018-006: Code execution vulnerability

PKSA-x8d7-vh36-bczf GHSA-g43w-98wp-m694

Affected package: silverstripe/framework

Affected version: >=4.0.3,<4.0.4|>=4.1.0,<4.1.1

Reported by:
GitHub, FriendsOfPHP/security-advisories