[HIGH] SS-2015-012: External redirection risk in Security?ReturnURL

PKSA-td9q-mf48-mqpm GHSA-xx4r-5265-48j6

Affected package: silverstripe/framework

Affected version: >=3.0.0,<=3.0.13|>=3.1.0,<=3.1.12

Reported by:
GitHub, FriendsOfPHP/security-advisories