Top 10 web hacking techniques of 2025

2026-06-05T08:51:54Z10b6ac37a9ffeb4fed64a457a6631adb170846ecfdde42651b59d9748ab1620d
CSP-bypassSAMLauthentication-bypassburp-extensionscookie-prefix-bypasscss-exfiltrationhttp-desynchttponly-bypassjwt-forgeryrace-conditionsrequest-smugglingtoolingweb-cache-poisoningweb-securitywebsocket-analysis

What happened

Collection of PortSwigger Research posts (2024–2026) detailing numerous high-impact web attack techniques and tooling. Notable items include parser-level SAML flaws that enable full authentication bypasses (Ruby/PHP saml) and a chained attack yielding unauthenticated admin access on GitLab Enterprise; a broad analysis of HTTP/1.1 desynchronisation (desync) and request-smuggling exploitation paths; cookie parser and prefix bypasses (including techniques to defeat __Host/__Secure and HttpOnly protections); CSS-based data exfiltration techniques; JWT/signed-token forgery tooling (SignSaboteur); a

Why it matters

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

Evidence and limitations

Source ID
portswigger_research
Record identifier
10b6ac37a9ffeb4fed64a457a6631adb170846ecfdde42651b59d9748ab1620d
Enrichment time
2026-06-05T08:51:54Z
AI-assisted enrichment
Yes

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Record · Top 10 web hacking techniques of 2025 · Baitaphish