GHSA-7PW4-F3Q4-R2P2 Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands

Summary 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 HTML-escaping it. If a developer reflects attacker-controlled input into one of these...