tag
Javascript-Scheme
web
CRITICAL 9.3
FirefUXSS: Universal XSS in Firefox Focus for iOS via Redirect-Scheme Validation Race Condition
FirefUXSS is a universal XSS issue in Firefox Focus for iOS where redirect-scheme validation can be bypassed via a race condition. A burst of benign redirects can desynchronize validation from navigation commit, allowing a final javascript: redirect to…
Unpatched
2026-06-08