23 Oct 2026 15:48:27 UTC
djust is vulnerable to stored/reflected XSS via javascript: URLs in built-in component template tags
cve-program · CVE-2026-61597 · Published
CVE-2026-61597
djust is vulnerable to stored/reflected XSS via javascript: URLs in built-in component template tags
CVSS 4.0 5.1 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-61597
Publisheddjust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, 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 `conditional_escape` but never validating the URL scheme. HTML escaping prevents attribute breakout but does not neutralize a `javascript:` URI (which needs no escapable characters), so a URL value of `javascript:alert(document.cookie)` lands verbatim in `<a href="javascript:alert(document.cookie)">` and executes in the victim's session on click. Version 1.0.7 contains a fix. As a workaround, do not pass user-controllable URLs to the affected built-in component tags; pre-validate URL schemes in application code before binding them to component arguments.
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