CVE Watch24 sept 2026

CVE-2026-59167

SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 2.47.11, the sanitizer in src/li

CVSS

10.0

Crítico

EPSS

0.4%

p32

KEV

—

Exploit Today

0-100

Publicado: 23 sept 2026 · Última mod.: 24 sept 2026 · CWE-79

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-09-242026-10-19

Descripción técnica

SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 2.47.11, the sanitizer in src/lib/core.js does not consistently reject namespaced or custom HTML elements, allowing event-handler attributes to remain on crafted elements. When an application renders attacker-controlled editor content and a user interacts with the element, the retained handler can execute script in the application's browser origin, enabling stored cross-site scripting, data exposure, or unauthorized browser-context actions. This issue is fixed in version 2.47.11.

Referencias oficiales

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