This tweet is about hunting for Cross-Site Scripting (XSS) vulnerabilities and includes tips for bypassing Web Application Firewalls (WAFs). The payload provided is a simple XSS test: "><script>alert(1)</script>. It suggests checking different input sources like headers, JSON data, and DOM sinks, emphasizing that XSS vulnerabilities can exist in various locations. The tweet also recommends using automated tools like XSStrike to fuzz and discover XSS points effectively. For bypassing filters, it mentions using encoding tricks and learning various WAF evasion techniques. This shows that despite modern defenses, XSS vulnerabilities remain prevalent and rewarding for bug bounty hunters. The approach is vendor-agnostic, meaning it applies to WAFs from various vendors such as AWS WAF, Imperva, Cloudflare, and others. Overall, the tweet promotes beginner-friendly practices for finding and bypassing XSS protections in web applications.
For more details, check out the original tweet here: https://twitter.com/impratikdabhi/status/1936858883689250995