CVE-2025-6428

MEDIUM

Firefox for Android < 140.0 - URL Redirection via Link Querystring Parameter

Title source: llm
STIX 2.1

Description

When a URL was provided in a link querystring parameter, Firefox for Android would follow that URL instead of the correct URL, potentially leading to phishing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1970151

Scores

CVSS v3 4.3
EPSS 0.0019
EPSS Percentile 8.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-601
Status published
Products (2)
mozilla/firefox < 140.0
Mozilla/Firefox 140
Published Jun 24, 2025
Tracked Since Feb 18, 2026