CVE-2023-23604

Creation of duplicate SystemPrincipal from less secure contexts

Published Jun 2, 2023 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A duplicate `SystemPrincipal` object could be created when parsing a non-system html document via `DOMParser::ParseFromSafeString`. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-27704 A duplicate <code>SystemPrincipal</code> object could be created when parsing a non-system html document via <code>DOMParser::ParseFromSafeString</code>. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109.
Ubuntu USN Ubuntu USN USN-5816-1 Firefox vulnerabilities
History
Type Values Removed Values Added
Description A duplicate <code>SystemPrincipal</code> object could be created when parsing a non-system html document via <code>DOMParser::ParseFromSafeString</code>. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109. A duplicate `SystemPrincipal` object could be created when parsing a non-system html document via `DOMParser::ParseFromSafeString`. This could have lead to bypassing web security checks. This vulnerability affects Firefox < 109.
Title Creation of duplicate SystemPrincipal from less secure contexts
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-863
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Dec 18, 2025, 3:23 PM
Reserved
Jan 16, 2023, 12:00 AM
Status
Modified
Published
Jun 2, 2023, 5:15 PM
Modified
Jun 17, 2026, 5:37 AM