CVE-2026-11799

7.5 HIGH

Published: June 09, 2026 Modified: June 10, 2026

Description

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Patch Vendor Advisory Exploit Third Party Advisory

Source: security@mozilla.org

Source: security@mozilla.org

2 reference(s) from NVD

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.2%

12th percentile

Exploitation Status

Not in CISA KEV

CWE-79