CVE-2025-12445 — MEDIUM (6.5)

Q: How severe is CVE-2025-12445?

CVE-2025-12445 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-12445?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.

Vulnerability 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)

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 142.0.7444.59
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-288

References

https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_Release NotesVendor Advisory
https://issues.chromium.org/issues/428397712Issue TrackingPermissions Required

FAQ

What is CVE-2025-12445?

CVE-2025-12445 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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. ...

How severe is CVE-2025-12445?

CVE-2025-12445 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-12445?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.