CVE-2025-6428

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 affects Firefox < 140.

Reserved 2025-06-20 | Published 2025-06-24 | Updated 2025-06-24 | Assigner mozilla

Problem types

Firefox for Android opened URLs specified in a link querystring parameter

Product status

Any version before 140
affected

Credits

Raul Bucata

References

bugzilla.mozilla.org/show_bug.cgi?id=1970151

www.mozilla.org/security/advisories/mfsa2025-51/

cve.org (CVE-2025-6428)

nvd.nist.gov (CVE-2025-6428)

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