CVE-2025-8042

Firefox for Android allowed a sandboxed iframe without the `allow-downloads` attribute to start downloads. This vulnerability was fixed in Firefox 141.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1791322	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-56/	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) Firefox para Android permitía un iframe de la sandbox sin el atributo `allow-downloads` para iniciar descargas. Esta vulnerabilidad afecta a Firefox anterior a la versión 141.~~	(es) Firefox para Android permitía un iframe de la sandbox sin el atributo 'allow-downloads' para iniciar descargas. Esta vulnerabilidad afecta a Firefox anterior a la versión 141.

Information

Published : 2025-08-19 21:15

Updated : 2026-09-30 18:10

NVD link : CVE-2025-8042

Mitre link : CVE-2025-8042

CVE.ORG link : CVE-2025-8042

JSON object : View

Products Affected

mozilla

firefox

google

android

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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