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CVE-2025-5064: Inappropriate implementation in Background Fetch API in Google Chrome prior to 137.0.7151.55 allowed a remote attacker to leak cross-origin data...

5.4 CVSS

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)

Classification

CVE ID: CVE-2025-5064

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.4

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

Problem Types

Inappropriate implementation

Affected Products

Vendor: Google

Product: Chrome

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 20.04% (scored less or equal to compared to others)

EPSS Date: 2025-06-17 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5064
https://chromereleases.googleblog.com/2025/05/stable-channel-update-for-desktop_27.html
https://issues.chromium.org/issues/40058068

Timeline