CVE-2025-54143 – Mozilla Firefox for iOS Cross-Site Download

The following table lists the changes that have been made to the
CVE-2025-54143 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 19, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1912671
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-60/
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