VulnerabilityModified
CVE-2023-4051
This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
HIGH 7.5EPSS 0.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821884Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/
- https://www.mozilla.org/security/advisories/mfsa2023-38/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821884Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/
- https://www.mozilla.org/security/advisories/mfsa2023-38/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.