CVE-2026-58228
Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-79
Neutralización incorrecta de la entrada durante la generación de la página web (Cross-site Scripting)
Fecha de publicación:
13/07/2026
Última modificación:
13/07/2026
Descripción
*** Pendiente de traducción *** Cross-site scripting vulnerability in phoenixframework phoenix_live_view allows an attacker to bypass URL scheme validation and execute JavaScript in a victim&#39;s browser session.<br />
<br />
The Phoenix.LiveView.Utils.valid_destination!/2 and Phoenix.LiveView.Utils.valid_live_navigation_destination!/2 functions in lib/phoenix_live_view/utils.ex rely on an internal uri_scheme/1 helper that only detects a scheme when the input&#39;s first byte is an ASCII letter. Inputs beginning with an ASCII control character or space fall through to a nil-returning clause, causing the URL to be treated as a safe relative path.<br />
<br />
Standard browsers implement the WHATWG URL parser, which strips leading C0 control and space characters before parsing. As a result, an input such as " javascript:alert(1)" is passed unchanged into and, when clicked, is parsed by the browser as a javascript: URL that executes attacker-controlled script in the victim&#39;s session.<br />
<br />
Applications that render user-supplied URLs (for example profile links, redirect targets, or external references) via are affected.<br />
<br />
This issue affects phoenix_live_view: from 1.2.2 before 1.2.7.
Impacto
Puntuación base 4.0
5.10
Gravedad 4.0
MEDIA
Referencias a soluciones, herramientas e información
- https://cna.erlef.org/cves/CVE-2026-58228.html
- https://github.com/phoenixframework/phoenix_live_view/commit/86165533e311469a1b62093fd182d9d874de8106
- https://github.com/phoenixframework/phoenix_live_view/security/advisories/GHSA-5cgh-g58j-m9cq
- https://osv.dev/vulnerability/EEF-CVE-2026-58228
- https://github.com/phoenixframework/phoenix_live_view/security/advisories/GHSA-5cgh-g58j-m9cq