SecuriTricks - CVE-2026-11799

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.

Product(s) Impacted

Vendor	Product	Versions
Mozilla	Focus Klar	151.3.1 151.3.1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-79

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mozilla	focus	151.3.1	/	/	/	/	/	/	/
a	mozilla	klar	151.3.1	/	/	/	/	/	/	/

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1975667

https://www.mozilla.org/security/advisories/mfsa2026-55/

CVSS Score

7.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

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

View Vector String

Timeline

Published: June 9, 2026, 9:17 p.m.
Last Modified: June 10, 2026, 8:14 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-11799