GHSA-GPXG-FX2G-QXJ2 Kanidm: Stored HTML injection in "passkey-enrolment" partial via displayname → htmx-driven authenticated request forgery

Summary The kanidmd web UI renders the WebAuthn passkey-registration challenge as raw JSON inside an inline element using the Askama |safe filter. The challenge embeds the account's displayname, which serdejson serialises without escaping . A displayname containing therefore terminates the script...