CVE-2026-72730

Discourse stores a chat-transcript username as HTML in the Rich Text Editor, enabling stored XSS for versions prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0. Fixed in those listed versions. CVSS 3.1 base score 8.7 (NETWORK, LOW complexity, LOW privileges, USER interaction required). No explo...