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CVE-2026-59923

Mistune

Beschreibung

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safe_url() does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version 3.3.0.

CVSS 6.1EPSS 0.23900000000000002%Risiko 0.62
Quelle öffnen
Veröffentlicht
2026-07-08 17:17:27
Betroffene Versionen
<3.3.0
Typ
Bibliothek
Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N