Information disclosure in Mozilla products - CVE-2025-8031

 

Information disclosure in Mozilla products - CVE-2025-8031

Published: July 22, 2025


Vulnerability identifier: #VU113143
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-8031
CWE-ID: CWE-200
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 gain access to potentially sensitive information.

The vulnerability exists due to incorrect stripping in CSP reports. The username:password part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials.


How to mitigate CVE-2025-8031

Install updates from vendor's website.

Sources