GenUI Security: XSS, Prompt Injection & WCAG (Part 4)
Prerequisite: Familiarity with the concepts introduced in Part 3 — Component Registry. Review it first if the terminology in this part is unfamiliar. Answer-first: Building secure, accessible Generative UI systems requires defensive engineering across two critical vectors: Prompt-to-UI Injection Defenses and WCAG 2.1 AA Accessibility Enforcement. By enforcing strict prop sanitization, eliminating arbitrary HTML injection, and embedding automated accessibility attributes (aria-live, semantic focus traps, and contrast compliance) directly into dynamic component templates, teams prevent client-side XSS exploits while ensuring AI-generated interfaces remain fully accessible to screen readers and keyboard users. ...