CVE-2025-12445

Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/428397712	Issue Tracking Permissions Required

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

30 Sep 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) Elusión de políticas en extensiones en Google Chrome anterior a 142.0.7444.59 permitió a un atacante que convenció a un usuario para instalar una extensión maliciosa filtrar datos de origen cruzado a través de una extensión de Chrome manipulada. (Gravedad de seguridad de Chromium: Baja)

Information

Published : 2025-11-10 20:15

Updated : 2026-10-07 21:10

NVD link : CVE-2025-12445

Mitre link : CVE-2025-12445

CVE.ORG link : CVE-2025-12445

JSON object : View

Products Affected

google

chrome

linux

linux_kernel

apple

macos

microsoft

windows

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

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