CVE-2026-73427

CVE-2026-73427 · Trix: XSS via JSON deserialization bypass in drag-and-drop (Level0InputController)

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Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Prior to 2.1.18, Trix is vulnerable to cross-site scripting when a crafted application/x-trix-document JSON payload is dropped into an editor using the fallback Level0InputController, such as an embedded WebView without Input Events Level 2 support. The StringPiece.fromJSON method trusts href attributes from the JSON payload without sanitization, allowing a draggable element containing a javascript: URI to bypass DOMPurify sanitization and inject executable JavaScript into the DOM. Exploitation requires the victim to drag and drop attacker-controlled content, and server-side HTML sanitization can neutralize the payload on save. This issue is fixed in version 2.1.18.

CVSS 2.1 · Низкий · EPSS 0,6% · Есть исправление

Опубликовано

2026-08-12T20:50:17.434Z

Обновлено

2026-08-13T13:51:28.767Z

Стек: node

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