CVE-2026-2919

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-2919
Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability was fixed in Focus for iOS 148.2.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1975842 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-18/ Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:iphone_os:*:*
History

06 May 2026, 18:33

Type Values Removed Values Added
First Time Mozilla
Mozilla firefox Focus
CPE cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:iphone_os:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1975842 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1975842 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2026-18/ - () https://www.mozilla.org/security/advisories/mfsa2026-18/ - Vendor Advisory

13 Apr 2026, 15:17

Type Values Removed Values Added
Summary (en) Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability affects Focus for iOS < 148.2. (en) Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability was fixed in Focus for iOS 148.2.

11 Mar 2026, 13:53

Type Values Removed Values Added
Summary
  • (es) Scripts maliciosos podrían mostrar contenido web controlado por el atacante bajo dominios falsificados en Focus para iOS al detener una navegación _self a un puerto inválido y al activar una redirección de iframe, haciendo que la interfaz de usuario (UI) muestre un dominio de confianza sin interacción del usuario. Esta vulnerabilidad afecta a Focus para iOS &lt; 148.2.

09 Mar 2026, 15:15

Type Values Removed Values Added
CWE CWE-451
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.3

09 Mar 2026, 14:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-09 14:16

Updated : 2026-06-17 10:32

NVD link : CVE-2026-2919

Mitre link : CVE-2026-2919

CVE.ORG link : CVE-2026-2919

JSON object : View

Products Affected

mozilla

  • firefox_focus
CWE
CWE-451

User Interface (UI) Misrepresentation of Critical Information