CVE-2025-12445

State: Published
Severity: 6.5 Medium
Published: Nov 10, 2025
Updated: Nov 12, 2025
Reserved: Oct 28, 2025

Description

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)

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
ChromeGoogle	142.0.7444.59 to before 142.0.7444.59Affected

References

https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
https://issues.chromium.org/issues/428397712

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