Top 10 web hacking techniques of 2025

2026-05-27T20:52:00Zf1fbf061b72e305ae597d25ca9ac61d0486fb49bbb2624c9138f7f16ad5cd67f
HttpOnlySAMLauthentication-bypassburp-extensionscache-exploitationcookie-prefixescookiescsrf-mitigationcss-exfiltrationhttp-desyncjwtnamespace-confusionparser-confusionrequest-smugglingsigned-tokensssrftiming-attacksturbo-intruderunicode-overflowurl-validation-bypasswaf-bypassweb-securitywebsocket

What happened

A PortSwigger Research feed listing multiple high-impact web security publications (Top 10 Web Hacking Techniques 2025 and related posts). Notable research includes full SAML authentication bypasses (parser/namespace/attribute-pollution issues affecting ruby/php SAML ecosystems), HTTP/1.1 desynchronisation (desync) attacks enabling takeover, practical guidance on distinguishing request smuggling from pipelining, cookie-prefix and HttpOnly bypass techniques, CSS-based data exfiltration, JWT signing forgery tooling, new WebSocket and HTTP testing tooling, and several other parser, caching, URL/‑

Why it matters

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

Evidence and limitations

Source ID
portswigger_research
Record identifier
f1fbf061b72e305ae597d25ca9ac61d0486fb49bbb2624c9138f7f16ad5cd67f
Enrichment time
2026-05-27T20:52:00Z
AI-assisted enrichment
Yes

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