[MEDIUM] CVE-2023-46735: Potential XSS in WebhookController

PKSA-9dt8-5tp6-m6sv CVE-2023-46735 GHSA-72x2-5c85-6wmr

Affected package: symfony/webhook

Affected version: >=6.3.0,<6.3.8

Reported by:
GitHub, FriendsOfPHP/security-advisories