CVE-2025-54145 | Scanning a malicious URL utilizing Firefox's open-text scheme with the QR code scanner could load arbitrary websites

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.

Published: 2025-08-19 Last update: 2026-04-13 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-54145

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-54145

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-54145

OS Trackers for CVE-2025-54145

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

Affected software / configurations for CVE-2025-54145

Vendor Product Version Raw CPE
mozilla firefox < 141.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*

References for CVE-2025-54145

cvelogic Threat Intelligence