CVE-2025-54145

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

State: Published
Severity: 9.1 Critical
Published: Aug 19, 2025
Updated: Apr 13, 2026
Reserved: Jul 17, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CISA-ADP

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
Firefox for iOSMozilla	141 and laterNot affected

References

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

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