---
id: CVE-2025-13947
title: A flaw was found in WebKitGTK
summary: >-
  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
  tha…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'
cwe:
  - CWE-346
published: '2025-12-03'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T23:10:00.463'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13947'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:22789'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:22790'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23110'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23433'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23434'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23451'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23452'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23583'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23591'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23742'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:23743'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2025-13947'
    label: secalert@redhat.com
  - url: 'https://bugs.webkit.org/show_bug.cgi?id=271957'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2418576'
    label: secalert@redhat.com
tags:
  - nvd
  - exploit-available
epss: 0.00331
epssPercentile: 0.23588
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/sirredbeard/WebKitGTK-DND-Fix'
  checkedAt: '2026-09-25T23:21:52.265Z'
exploitAvailable: true
ingestedAt: '2026-06-29T13:24:34.614Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.