CVE-2025-23109

MEDIUM

Mozilla Firefox < 134.0 - Origin Validation Error

Title source: rule

Description

Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address This vulnerability affects Firefox for iOS < 134.

References (2)

Scores

CVSS v3 6.5
EPSS 0.0065
EPSS Percentile 70.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Classification

CWE
CWE-346
Status published

Affected Products (1)

mozilla/firefox < 134.0

Timeline

Published Jan 11, 2025
Tracked Since Feb 18, 2026