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CVE-2025-6428

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMozilla Firefox
PublishedJun 24, 2025
First seenJun 24, 2025
Weakness typeCWE-601Open redirect

How to fix

Update
  • mozilla firefox140.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 140.0140.0

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