How to fix CVE-2025-5064?

Within 30 days: Identify affected systems running Background Fetch API in Google Chrome and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

Is Chrome affected by CVE-2025-5064?

Organizations using Background Fetch API in Google Chrome should be aware of moderate risk from CVE-2025-5064, a information exposure vulnerability rated CVSS 5.4. Sensitive information could be exposed to unauthorized parties.

CVE-2025-5064

MEDIUM

2025-05-27 [email protected]

5.4

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch Released

Apr 06, 2026 - 14:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:44 vuln.today

CVE Published

May 27, 2025 - 21:15 nvd

MEDIUM 5.4

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)

Analysis

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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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) Affected products include: Google Chrome. Version information: prior to 137.0.7151.55.

Affected Products

Google Chrome.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +27

POC: 0

Vendor Status

CVE-2025-5064 vulnerability details – vuln.today

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CVE-2025-5064

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CVE-2025-5064

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