Security Vulnerabilities fixed in Firefox for iOS 119 — Mozilla

Summary

Mozilla Foundation has released Firefox for iOS version 119 to address a high-impact security vulnerability (CVE-2023-5758) related to Cross-Site Scripting (XSS) in reader mode, where an attacker-controlled script could be executed.

Key Takeaways

Firefox for iOS version 119 includes security fixes.
A high-impact vulnerability (CVE-2023-5758) has been addressed.
The vulnerability allowed for Cross-Site Scripting (XSS) attacks in reader mode.
Opening a page in reader mode with a redirect URL could execute attacker-controlled scripts.
The vulnerability has been fixed in Firefox for iOS 119.
The fix mitigates the risk of reflected Cross-Site Scripting (XSS) attacks.
Mozilla Foundation announced the release on October 24, 2023.