4.3

CVE-2025-5020

EPSS 0.18%
Veröffentlicht 21.05.2025 17:18:08
Zuletzt bearbeitet 13.04.2026 15:17:03
Quelle security@mozilla.org
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Links using non-HTTP schemes opened from other apps such as Safari could have allowed spoofing of website addresses

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139.

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 5

NVD 1 VulnDex Vulnerability Enrichment 0

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Mozilla ≫ Firefox SwPlatformiphone_os Version < 139.0

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.18%	0.395

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0	4.3	2.8	1.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CWE-939 Improper Authorization in Handler for Custom URL Scheme

The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.

https://bugzilla.mozilla.org/show_bug.cgi?id=1951558

Permissions Required

https://www.mozilla.org/security/advisories/mfsa2025-39/

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2025-5020

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2025-5020

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2025-5020

EUVD