Description
A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
Published: 2023-08-01
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2023-53944 A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
Ubuntu USN Ubuntu USN USN-6267-1 Firefox vulnerabilities
History

Thu, 18 Dec 2025 15:30:00 +0000

Type Values Removed Values Added
Title Mozilla: Full screen notification obscured by external program Full screen notification obscured by external program

Tue, 22 Oct 2024 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Mozilla Firefox
Redhat Enterprise Linux Rhel Aus Rhel E4s Rhel Eus Rhel Tus
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-12-18T15:23:22.107Z

Reserved: 2023-08-01T14:59:21.077Z

Link: CVE-2023-4053

cve-icon Vulnrichment

Updated: 2024-08-02T07:17:11.116Z

cve-icon NVD

Status : Modified

Published: 2023-08-01T15:15:10.267

Modified: 2024-11-21T08:34:18.487

Link: CVE-2023-4053

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-08-29T00:00:00Z

Links: CVE-2023-4053 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses