[HIGH] SilverStripe Folders migrated from 3.x may be unsafe to upload to

PKSA-rfdt-9jwp-6pz9 CVE-2020-9280 GHSA-592m-4533-rxq9

Affected version: >=5.0.0,<5.4.2

Reported by:
GitHub

SS-2015-018: File upload exposure on UserForms module

PKSA-n971-jkw6-mzjw

Affected version: <3.0.0

Reported by:
FriendsOfPHP/security-advisories