CVE-2025-9183

MEDIUM

Firefox < 142.0 and 140.2-140.* - Address Bar Spoofing

Title source: llm
STIX 2.1

Description

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.

References (3)

Core 3

Scores

CVSS v3 6.5
EPSS 0.0023
EPSS Percentile 13.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-451
Status published
Products (4)
mozilla/firefox < 140.2.0
mozilla/firefox < 142.0
Mozilla/Firefox 140.2 - 140.*
Mozilla/Firefox 142
Published Aug 19, 2025
Tracked Since Feb 18, 2026