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CVE-2025-12445

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Date: November 10, 2025

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)

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-12445
https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
https://issues.chromium.org/issues/428397712
https://www.mend.io/vulnerability-database/CVE-2025-12445

Severity Score

Weakness Type (CWE)

Authentication Bypass Using an Alternate Path or Channel

CWE-288

Top Fix

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Upgrade Version

Upgrade to version https://github.com/chromium/chromium.git - 142.0.7403.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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