VULNERABILITY INTELLIGENCE

CVE-2023-4053

CVSS score6.5 MEDIUM
EPSS probability0.77%
CISA KEVNot currently listed
Published2023-08-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-59

Primary references