CVE-2023-23604: Creation of duplicate SystemPrincipal from less secure contexts

Published Jan 17, 2023
·
Updated

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.

Other sources

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.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<109
109
Mozilla Firefox<109.0

Event History

Jan 17, 2023
CVE Published
12:00 AM
Jun 2, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
05:15 PM
Description
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-23604.

2

What is the title of this vulnerability?

The title of this vulnerability is 'A duplicate SystemPrincipal object could be created when parsing a non-system html document via DOMParser::ParseFromSafeString'.

3

What software is affected by this vulnerability?

This vulnerability affects Mozilla Firefox version up to exclusive 109.

4

What is the severity of CVE-2023-23604?

The severity of CVE-2023-23604 is low.

5

How can this vulnerability be exploited?

This vulnerability could lead to bypassing web security checks.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203