CVE-2025-10290: Opening links via the contextual menu in Focus for iOS would not update the toolbar UI correctly, allowing attackers to spoof websites

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-16 · updated 2026-10-23
Weakness: CWE-451

Description

Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press. This vulnerability was fixed in Focus for iOS 143.0.

Affected products

Mozilla Focus for iOS: before 143.0 — fixed in 143.0

How to fix

Upgrade to a fixed version: Mozilla Focus for iOS 143.0. Check the vendor advisory for mitigations.

References

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