CVE-2026-11799

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1975667	Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-55/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:focus::::::iphone_os::*
	cpe:2.3:a:mozilla:klar::::::iphone_os::*

History

17 Jun 2026, 19:12

Type	Values Removed	Values Added
First Time		Mozilla focus Mozilla Mozilla klar
CPE		cpe:2.3:a:mozilla:klar::::::iphone_os::* cpe:2.3:a:mozilla:focus::::::iphone_os::*
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1975667 -~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1975667 - Permissions Required
References	~~() https://www.mozilla.org/security/advisories/mfsa2026-55/ -~~	() https://www.mozilla.org/security/advisories/mfsa2026-55/ - Vendor Advisory

10 Jun 2026, 16:16

Type	Values Removed	Values Added
CWE		CWE-79
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

09 Jun 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-09 21:17

Updated : 2026-06-17 19:12

NVD link : CVE-2026-11799

Mitre link : CVE-2026-11799

CVE.ORG link : CVE-2026-11799

JSON object : View

Products Affected

mozilla

klar
focus

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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