Search/CVE-2025-6428
● CVE — Medium

CVE-2025-6428

VendormozillaProductfirefoxDiscoveredJun 24, 2025UpdatedSep 30, 2026

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.

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CVSS v3.1
4.3 MEDIUM
EPSS
0.23%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 26, 2026
▲ 0.04pp
0.19% → 0.23% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Jun 24, 2025
Disclosure — published as a CVE record. · last revised by NVD Sep 30, 2026