Cross-site Scripting (XSS)

Overview blitz is a Blitz is a Rails-like framework for monolithic, full-stack React apps — built on Next.js Affected versions of this package are vulnerable to Cross-site Scripting XSS via the LoginForm.tsx component in the Sign-in process. An attacker can inject and execute arbitrary scripts by...

CVE-2026-9520

Product/affected software : blitz-js blitz (up to 3.0.2). Vulnerable component/file : packages/generator/templates/app/src/app/auth/components/LoginForm.tsx in the Sign-in module. Root cause : argument manipulation in Next leads to cross-site scripting. Impact : cross-site scripting vulnerability...