CVE-2025-13947 HIGH

CVE-2025-13947: Webkit: webkitgtk: remote user-assisted information disclosure via file drag-and-drop

Vendor The Webkitgtk Team
Product webkitgtk
Published December 3, 2025
Last update April 20, 2026

CVSS base score

7.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

A flaw was found in WebKitGTK. This vulnerability allows remote, user-assisted information disclosure that can reveal any file the user is permitted to read via abusing the file drag-and-drop mechanism where WebKitGTK does not verify that drag operations originate from outside the browser.

Key dates

02Disclosure timeline

December 3, 2025 CVE published
April 20, 2026 Record updated