CVE-2025-5064 Information disclosure in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to an inappropriate implementation in the Background Fetch API.
- 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-2025-5064?
CVE-2025-5064 is a medium-severity vulnerability in Google Chrome, published on 27 May 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
Inappropriate implementation in Background Fetch API in Google Chrome prior to 137.0.7151.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-200
Which versions are affected by CVE-2025-5064?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2025-5064?
Upgrade to a fixed version.
Is CVE-2025-5064 being exploited?
There is no known exploitation of CVE-2025-5064 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2025-5064, GHSA-4g9c-v26v-gp27.