Top 10 web hacking techniques of 2025

2026-06-17T08:51:58Z362630655f4cde38cf6440ab37fa480522d5bafa8a4f1cae610abe91d8f5562a
TRACE-method__Host__Secureauthentication-bypassburp-extensions","ai-testing"cookie-prefix-bypasscss-exfiltrationgitlabhttp-desynchttp-request-smugglinghttp1.1httponly-cookie-theftjwtphp-samlruby-samlsamlsignsaboteurssrftiming-attacksunicode-overflowurl-validation-bypassvs-code-exploitweb-cache-poisoningwebsocketxss

What happened

Collection of PortSwigger Research posts (2024–2026) highlighting multiple high-impact web-security findings and tooling updates. Notable technical discoveries include parser-level SAML inconsistencies that enable full authentication bypasses (Ruby/PHP and chained attacks against GitLab), a renewed analysis of HTTP/1.1 desynchronisation (“desync”) vulnerabilities and new TRACE-based exploitation techniques, cookie-prefix and HttpOnly bypasses enabling session theft, CSS-based data exfiltration techniques, JWT forgery tooling (SignSaboteur), and numerous request-smuggling, cache-poisoning, and

Why it matters

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

Evidence and limitations

Source ID
portswigger_research
Record identifier
362630655f4cde38cf6440ab37fa480522d5bafa8a4f1cae610abe91d8f5562a
Enrichment time
2026-06-17T08:51:58Z
AI-assisted enrichment
Yes

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Record · Top 10 web hacking techniques of 2025 · Baitaphish