CVE-2026-40567 FreeScout has HTML Injection in Outgoing Emails via Unsanitized Customer Name in Signature Variables

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can inject arbitrary HTML into outgoing emails generated by FreeScout by sending an email with a crafted From display name. The name is stored in the database without sanitization a...