[LOW] Silverstripe admin XSS Vulnerability via WYSIWYG editor

PKSA-jptt-pr1d-42jb GHSA-779c-7w4p-2c4g

Affected package: silverstripe/admin

Affected version: >=1.1.0,<1.1.1|>=1.0.3,<1.0.4

Reported by:
GitHub