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Vulnerability IntelligenceCVE-2023-4051

CVE-2023-4051

HIGH7.5

Full screen notification obscured by file open dialog

Published Aug 1, 2023

Modified 2 months ago

Fix available

Details

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.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

116

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

116

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

115.2

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

115.2

References

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=1821884

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2023-4051

WEB

https://www.mozilla.org/security/advisories/mfsa2023-29/

WEB

https://www.mozilla.org/security/advisories/mfsa2023-36/

WEB

https://www.mozilla.org/security/advisories/mfsa2023-38/

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

HighI:H

Availability

NoneA:N

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Ecosystems(28)

Ubuntu 14.04 LTS Ubuntu 16.04 LTS Ubuntu 18.04 LTS Ubuntu 20.04 LTS Ubuntu 22.04 LTS

Timeline

PublishedAug 1, 2023

ModifiedDec 18, 2025

CVE-2023-4051 | Mondoo Vulnerability Intelligence