[MEDIUM] CVE-2019-19325: XSS through non-scalar FormField attributes

PKSA-cttv-q8kk-m71w CVE-2019-19325 GHSA-qvrv-2x7x-78x2

Affected package: silverstripe/framework

Affected version: >=4.0.0,<4.4.5|>=4.5.0,<4.5.2

Reported by:
GitHub, FriendsOfPHP/security-advisories