Improper privilege management in Mozilla products - CVE-2025-14323

 

Improper privilege management in Mozilla products - CVE-2025-14323

Published: December 9, 2025


Vulnerability identifier: #VU119410
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-14323
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper privilege management in the DOM Notifications component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions. 


How to mitigate CVE-2025-14323

Install updates from vendor's website.

Sources