CVE-2025-54145

CRITICAL

Firefox for iOS >=141 - URL Redirection to Untrusted Site via QR Scanner

Title source: llm
STIX 2.1

Description

The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme. This vulnerability was fixed in Firefox for iOS 141.

References (2)

Core 2
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1946122

Scores

CVSS v3 9.1
EPSS 0.0037
EPSS Percentile 28.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-601
Status published
Products (2)
mozilla/firefox < 141.0
Mozilla/Firefox for iOS 141
Published Aug 19, 2025
Tracked Since Feb 18, 2026