URL Handling Flaw in Firefox for Android
CVE-2025-6428

4.3MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
24 June 2025

What is CVE-2025-6428?

A vulnerability exists in Firefox for Android where a URL provided in a link query string parameter causes the browser to improperly follow the URL rather than the intended destination. This behavior raises the risk of phishing attacks, as users may be misled into visiting harmful sites. It is crucial for users of Firefox for Android versions prior to 140 to be aware of this issue and take necessary precautions to safeguard their browsing experience.

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Deploy the Patch

Affected Version(s)

Firefox < 140

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Raul Bucata
JSON
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