GHSA-4MF4-73J6-MVRW djust is vulnerable to stored/reflected XSS via javascript: URLs in built-in component template tags

Impact Many djust built-in component template tags djust.components.templatetags. render a developer/user-supplied URL into an href / action attribute, HTML-escaping it with conditionalescape but never validating the URL scheme. HTML escaping prevents attribute breakout but does not neutralize a...