GitHub - PortSwigger/xss-cheatsheet

What is cross-site scripting (XSS) and how to prevent it?

XSS Cheat Sheet by Rodolfo Assis [Leanpub PDF/iPad/Kindle]

XSS Cheat Sheet

XS Leaks - OWASP Cheat Sheet Series

Download XSS Cheat Sheet PDF for Quick References

ComputerGeek: XSS Prevention in PHP Cheat sheet pdf - Cross Site Scripting examples

Farhan on X: XSS bypass, WAF, filters, sanitizers. HTML URL UTF-8 encode. Cross-site scripting (XSS) cheat sheet @theXSSrat #BugBounty #infosec / X

h3xStream's blog: XSS for ASP.net developers

Top 500 most important XSS script cheat sheets for web application penetration testing!, Ethical Hackers Academy posted on the topic

How to Get Started in Application Security