CVE-2025-54145

Scanning a malicious URL utilizing Firefox's open-text scheme with the QR code scanner could load arbitrary websites

CVSS 9.1 CRITICALEPSS 0.4%CWE-601

The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme. This vulnerability was fixed in Firefox for iOS 141.

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

Affected products

Mozilla · Firefox for iOS

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1946122 https://www.mozilla.org/security/advisories/mfsa2025-60/