CVE-2025-13947 Webkit: webkitgtk: remote user-assisted information disclosure via file drag-and-drop
Remote attackers can disclose local file contents via WebKitGTK's unverified file drag-and-drop mechanism, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-13947?
CVE-2025-13947 is a high-severity vulnerability in Red Hat Enterprise Linux 6, published on 3 Dec 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-346
Which versions are affected by CVE-2025-13947?
How do I fix CVE-2025-13947?
Apply the vendor's patch.
Is CVE-2025-13947 being exploited?
There is no known exploitation of CVE-2025-13947 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as DEBIAN-CVE-2025-13947, GHSA-j77f-3hf7-7rvg, UBUNTU-CVE-2025-13947.