CVE-2025-6428

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.

Score

CVSS 3.1 4.3 Medium

Status

Modified - security@mozilla.org

Published

2025-06-24

Last modified

2026-04-13

Weaknesses

CWE-601

Affected products

• Firefox (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1970151
• https://www.mozilla.org/security/advisories/mfsa2025-51/