Top 10 web hacking techniques of 2025

2026-03-27T20:51:53Z139151458bfe02c314675811d98aebd3a03aa842b9ed7637581183e77b80a4f1
Burp extensionsCSP bypassCSS exfiltrationHTTP desyncHttpOnly cookie theftJWT forgerySAMLSSRFSignSaboteurWAF bypassWebSocket testingXSSauthentication bypasscache exploitationcookie bypassdesync exploitationrequest smugglingtiming attacksturbo intruderweb security

What happened

Collection of PortSwigger Research posts (2024–2026) highlighting notable web-security techniques and tools. Key items include the Top 10 Web Hacking Techniques of 2025, multiple SAML parser/namespace confusion findings that enable full authentication bypasses (Ruby/PHP ecosystems and a GitLab Enterprise attack), serious HTTP-layer issues (HTTP/1.1 desync and request-smuggling distinctions, TRACE-aided desync exploitation), cookie parser/prefix bypasses (including techniques to defeat __Host/__Secure and steal HttpOnly cookies via a “cookie sandwich”), novel exfiltration methods (CSS/inline‑/盲

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
portswigger_research
Record identifier
139151458bfe02c314675811d98aebd3a03aa842b9ed7637581183e77b80a4f1
Enrichment time
2026-03-27T20:51:53Z
AI-assisted enrichment
Yes

This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.