CVE-2026-14047

CSP Bypass via Malicious Chrome Extension

Published Jun 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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 bypass content security policy via a crafted Chrome Extension. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

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
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title CSP Bypass via Malicious Chrome Extension
Type Values Removed Values Added
Title Chrome Extension CSP Bypass Due to Inadequate Policy Enforcement
Type Values Removed Values Added
Title Chrome Extension CSP Bypass Due to Inadequate Policy Enforcement
Type Values Removed Values Added
Title Chrome CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title Chrome CSP Bypass via Malicious Extension
Type Values Removed Values Added
Title Chrome Extension Content Security Policy Bypass Vulnerability
Type Values Removed Values Added
Title Chrome Extension Content Security Policy Bypass Vulnerability
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Insufficient Policy Enforcement
Type Values Removed Values Added
Title Chrome Extension CSP Bypass via Insufficient Policy Enforcement
Type Values Removed Values Added
Title Malicious Chrome Extension Bypasses Content Security Policy via Insufficient Policy Enforcement
Type Values Removed Values Added
Title Malicious Chrome Extension Bypasses Content Security Policy via Insufficient Policy Enforcement
Type Values Removed Values Added
Weaknesses CWE-602
Metrics cvssV3_1

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

ssvc

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

Type Values Removed Values Added
Title Chrome Extension Causes Content Security Policy Bypass
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Chrome Extension Causes Content Security Policy Bypass
Weaknesses CWE-284
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 bypass content security policy via a crafted Chrome Extension. (Chromium security severity: Low)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 1:17 PM
Reserved
Jun 29, 2026, 11:11 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM