[MEDIUM] Bypass of fix for CVE-2020-26231, Twig sandbox escape

PKSA-7hbq-72k8-ynj7 CVE-2021-21264 GHSA-fcr8-6q7r-m4wg

Affected package: october/cms

Affected version: =1.1.1|=1.0.471

Reported by:
GitHub