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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1970151	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-51/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

History

30 Sep 2026, 18:10

Type	Values Removed	Values Added
Summary	(es) Al proporcionar una URL en un parámetro de cadena de consulta de enlace, Firefox para Android seguía esa URL en lugar de la correcta, lo que podía provocar ataques de phishing. Este error solo afecta a Firefox para Android. Las demás versiones de Firefox no se ven afectadas. Esta vulnerabilidad afecta a Firefox anteriores a la versión 140.	(es) Al proporcionar una URL en un parámetro de cadena de consulta de enlace, Firefox para Android seguía esa URL en lugar de la correcta, lo que podía provocar ataques de phishing. Este error solo afecta a Firefox para Android. Las demás versiones de Firefox no se ven afectadas.* Esta vulnerabilidad afecta a Firefox anteriores a la versión 140.

Information

Published : 2025-06-24 13:15

Updated : 2026-09-30 18:10

NVD link : CVE-2025-6428

Mitre link : CVE-2025-6428

CVE.ORG link : CVE-2025-6428

JSON object : View

Products Affected

mozilla

firefox

google

android

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2025-6428", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-6428", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-06-25T14:20:42.338589Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "140", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-06-24T13:15:23.770", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1970151", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "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.\n*This bug only affects Firefox for Android. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140."}, {"lang": "es", "value": "Al proporcionar una URL en un par\u00e1metro de cadena de consulta de enlace, Firefox para Android segu\u00eda esa URL en lugar de la correcta, lo que pod\u00eda provocar ataques de phishing. Este error solo afecta a Firefox para Android. Las dem\u00e1s versiones de Firefox no se ven afectadas.* Esta vulnerabilidad afecta a Firefox anteriores a la versi\u00f3n 140."}], "lastModified": "2026-09-30T18:10:00.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E", "versionEndExcluding": "140.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@mozilla.org"}