UXSS Vulnerability in Focus and Klar for iOS by Mozilla
CVE-2026-11799

7.5HIGH

Key Information:

Vendor

Mozilla
Status
Focus For iOS
Klar For iOS
Vendor
CVE Published:
9 June 2026

What is CVE-2026-11799?

false

Affected Version(s)

Focus for iOS 151.3.1

Klar for iOS 151.3.1

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1975667
https://www.mozilla.org/security/advisories/mfsa2026-55/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Renwa Hiwa
.