Spoofed Domain Vulnerability in Focus for iOS by Mozilla
CVE-2026-2919

4.3MEDIUM

Key Information:

Vendor

Mozilla
Status
Focus For iOS
Vendor
CVE Published:
9 March 2026

What is CVE-2026-2919?

This vulnerability allows an attacker to execute malicious scripts that can display content from spoofed domains in Focus for iOS. By manipulating the navigation process to an invalid port, the attacker's iframe can redirect the user interface to show a trusted domain without any interaction from the user, potentially misleading users and compromising their sensitive information.

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Deploy the Patch

Affected Version(s)

Focus for iOS < 148.2

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1975842
https://www.mozilla.org/security/advisories/mfsa2026-18/

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Renwa Hiwa
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