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CVE-2026-59167

CVE-2026-59167 · SunEditor: Critical XSS vulnerability - sanitizer bypass

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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.

CVSS 10.0 · Critique · EPSS 0,5% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • suneditor

    Versions du logiciel
    • < 2.47.11: Concernée

    Aucun correctif publié

  • suneditor npm

    Plages de versions concernées
    • SEMVER: < 2.47.11

    Mettez à jour vers 2.47.11

Sources originales

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