Vulnerability in Mozilla Firefox
CVE-2023-4051
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
References
- security@mozilla.org (Permissions Required, Issue Tracking)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org
- security@mozilla.org
Frequently asked questions
- What is CVE-2023-4051?
- CVE-2023-4051 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 7.5/10. Published 2023-08-01.
- How severe is CVE-2023-4051?
- High severity. CVSS v3 base score is 7.5 out of 10.