Cross-Site Scripting (XSS) — Study Resources & PYQs

Curated resources, past papers and PYQs for Cross-Site Scripting (XSS).

Study resources

Cross-Site Scripting (XSS) (Article) — PortSwigger's Web Security Academy definitive guide to XSS, with free interactive labs.
XSS Explained (Video) — A practical explanation of stored, reflected and DOM-based XSS.
Cross-Site Scripting (XSS) Cheat Sheet (Article) — OWASP's own official cheat sheet on preventing XSS vulnerabilities.