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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2025-54143

Sandboxed iframes could allow local downloads despite sandbox restrictions

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox for iOS

  • 141 to ≤ *unaffected

References