CVE-2023-4051
HIGHCVSS 7.5/10EPSS 0.55%
Last modified
CVE-2023-4051 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 116.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821884Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821884Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2023-4051?
CVE-2023-4051 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4051?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-4051?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST