CVE-2025-8042

CriticalCVSS 9.8/10Last modified Sep 30, 2026

Description

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

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-732

Affected software

Vendor	Product	Versions
Mozilla	Firefox	—

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1791322Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-56/Vendor Advisory

Timeline

Published: Aug 19, 2025
Last modified: Sep 30, 2026
NVD status: Modified

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