Top 10 web hacking techniques of 2025
2026-04-16T20:52:06Z•801cf08da95034b793449676d5306ba2a9bc4773eb2f0e0033935bc55486585c
Burp-extensionsCSS-exfiltrationHTTP-desyncHttpOnly-cookieJWTSAMLSignSaboteurURL-validation-bypassWAF-bypassWebSocketcache-poisoningcookie-bypassrequest-smugglingsaml-auth-bypasssecurity-researchweb-security
What happened
Collection of PortSwigger Research posts (2023–2026) highlighting novel and practical web-exploitation techniques and tooling. Notable findings include parser-level SAML authentication bypasses affecting Ruby/PHP ecosystems (full auth bypasses and GitLab impact), systemic HTTP/1.1 desync and request-smuggling/desynchronisation endgame research (including TRACE and single-packet exploitation methods), cookie-prefix and HttpOnly bypass techniques, CSS-based exfiltration methods, JWT forgery tooling (SignSaboteur), WebSocket-specific fuzzing/exploitation, cache and URL-validation abuse, and new/
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- portswigger_research
- Record identifier
- 801cf08da95034b793449676d5306ba2a9bc4773eb2f0e0033935bc55486585c
- Enrichment time
- 2026-04-16T20:52:06Z
- AI-assisted enrichment
- Yes
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