CVE-2026-59727 Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands

Astro is a web framework for content-driven websites. In versions 3.10.0 through 7.0.3, when a transition:persist, transition:scope, or transition:persist-props directive is applied to a client-hydrated client: component, Astro copied the directive value onto the rendered element without...