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.
Conclusion & alert: CVE-2025-54145 is rated Moderate Risk (41.8/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-24 | 0.02% | 0.05% | +0.03% |
| 2 | 2025-08-20 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-54145: 1 source package rows (firefox); 114 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 114. | https://security.alpinelinux.org/vuln/CVE-2025-54145 |
ubuntu
|
medium | CVE-2025-54145 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 8 status rows across 4 suites (jammy, noble, plucky, upstream): not-affected 8. | https://ubuntu.com/security/CVE-2025-54145 |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1946122 | Issue Tracking Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-60/ | Vendor Advisory |