Description
Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 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: Medium)
Published: 2026-06-30
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History

Wed, 08 Jul 2026 03:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Weakness

Mon, 06 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement in Chrome Extensions Enables Cross‑Origin Data Leakage

Mon, 06 Jul 2026 03:45:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement in Chrome Extensions Enables Cross‑Origin Data Leakage

Sun, 05 Jul 2026 15:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Cross‑Origin Data Leakage

Sat, 04 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Cross‑Origin Data Leakage

Sat, 04 Jul 2026 07:45:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Flaw Allows Cross‑Origin Data Leakage

Fri, 03 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Flaw Allows Cross‑Origin Data Leakage

Fri, 03 Jul 2026 02:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leakage

Thu, 02 Jul 2026 17:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leakage

Thu, 02 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Enables Cross-Origin Data Leakage

Thu, 02 Jul 2026 02:15:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Enables Cross-Origin Data Leakage

Wed, 01 Jul 2026 18:00:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Leading to Cross‑Origin Data Leakage in Google Chrome
Weaknesses CWE-200
CWE-285

Wed, 01 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

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

ssvc

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


Wed, 01 Jul 2026 10:30:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Leading to Cross‑Origin Data Leakage in Google Chrome
Weaknesses CWE-200
CWE-285

Wed, 01 Jul 2026 07:45:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Leading to Cross‑Origin Data Leak
Weaknesses CWE-284
CWE-693

Wed, 01 Jul 2026 07:15:00 +0000

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

Wed, 01 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Leading to Cross‑Origin Data Leak
Weaknesses CWE-284
CWE-693

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 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: Medium)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T16:05:38.350Z

Reserved: 2026-06-29T23:04:15.545Z

Link: CVE-2026-14003

cve-icon Vulnrichment

Updated: 2026-07-01T14:47:34.014Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-08T03:15:15Z

Weaknesses