CVE-2025-54143

critical

Description

Sandboxed iframes on webpages could potentially allow downloads to the device, bypassing the expected sandbox restrictions declared on the parent page This vulnerability affects Firefox for iOS < 141.

References

https://www.mozilla.org/security/advisories/mfsa2025-60/

https://bugzilla.mozilla.org/show_bug.cgi?id=1912671

Details

Source: Mitre, NVD

Published: 2025-08-19

Updated: 2025-08-21

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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