CVE-2025-54145

Name: CVE-2025-54145
Creator: NVD / NIST
Published: 2025-08-19T21:15:27.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2025-54145 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

0.37%

28.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 141.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1946122Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-60/Vendor Advisory

Timeline

Published: Aug 19, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-54145?

How severe is CVE-2025-54145?

CVE-2025-54145 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2025-54145?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-54145?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST