CVE-2025-54145

CRITICAL 9.1

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

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	mozilla
Product	firefox for ios
Ecosystems	Browser JavaScript
Industries	Technology
Published	Aug 19, 2025
Last Updated	Apr 13, 2026

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Affected Versions

Mozilla / Firefox for iOS

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

James Lee