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Case File

CVE-2023-4053

MEDIUM · CVSS 6.5 EPSS 0.77%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-08-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2023-4053
Severity
MEDIUM
CVSS
6.5
EPSS
0.77%
Firefox

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)