BIT-RABBITMQ-2026-66077 RabbitMQ: Stored XSS via TLS peer-certificate DN in management UI

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, The management UI uses EJS 1.0 in which does NOT HTML-escape. connection.ejs:135 renders and peercertissuer directly into the page. The same pattern appears in streamConnection.ejs:102,106,110. The...