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)
Published: 2025-11-10
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6046-1 chromium security update
History

Thu, 13 Nov 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Wed, 12 Nov 2025 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-288
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}


Wed, 12 Nov 2025 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 12 Nov 2025 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Policy bypass in Extensions
Weaknesses CWE-266
References
Metrics threat_severity

None

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

threat_severity

Low


Mon, 10 Nov 2025 20:15:00 +0000

Type Values Removed Values Added
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)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2025-11-12T21:02:34.432Z

Reserved: 2025-10-28T20:16:50.535Z

Link: CVE-2025-12445

cve-icon Vulnrichment

Updated: 2025-11-12T21:02:28.601Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-10T20:15:39.260

Modified: 2025-11-13T15:21:53.863

Link: CVE-2025-12445

cve-icon Redhat

Severity : Low

Publid Date: 2025-11-10T20:00:22Z

Links: CVE-2025-12445 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-11-12T12:49:56Z

Weaknesses