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Mozilla Foundation Security Advisory 2024-03

Security Vulnerabilities fixed in Focus for iOS 122

Announced
January 22, 2023
Impact
critical
Products
Focus for iOS
Fixed in
  • Focus for iOS 122

#CVE-2024-0605: JavaScript URI running on top origin sites

Reporter
James Lee
Impact
critical
Description

Using a javascript: URI with a setTimeout race condition, an attacker can execute unauthorized scripts on top origin sites in urlbar. This bypasses security measures, potentially leading to arbitrary code execution or unauthorized actions within the user's loaded webpage.

References

#CVE-2024-0606: UXSS attack with window.open()

Reporter
James Lee
Impact
high
Description

An attacker could execute unauthorized script on a legitimate site through UXSS using window.open() by opening a javascript URI leading to unauthorized actions within the user's loaded webpage.

References