Top 10 web hacking techniques of 2025
2026-05-14T20:52:02Z•f9d3445e55301cee3f8f31b599b7ee5f69ee18798847ee37e5d51a22ad3f9724
HTTP-desyncSAMLai-security-toolsauthentication-bypassburp-extensionscache-poisoningcookie-prefixescsp-bypasscss-exfiltrationhttp2-racehttponly-bypassjwt-forgeryparser-discrepancyrequest-smugglingresearch-roundupssrftiming-attacksunicode-overflowurl-validationvscode-exploitwaf-bypassweb-securitywebsocketxss
What happened
Collection of PortSwigger Research posts (including the Top 10 Web Hacking Techniques of 2025) summarizing a year of high-impact web security research. Notable topics include full authentication bypasses in the SAML ecosystem (parser/namespace confusion and attribute pollution), HTTP/1.1 desynchronisation and request-smuggling/desync exploitation, cookie-prefix and HttpOnly bypass techniques, CSS-based exfiltration, WebSocket fuzzing/exploitation, JWT forging tooling, WAF and URL-validation bypasses, timing and cache-based attacks, novel race/desync primitives (including TRACE and single-pulse
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- portswigger_research
- Record identifier
- f9d3445e55301cee3f8f31b599b7ee5f69ee18798847ee37e5d51a22ad3f9724
- Enrichment time
- 2026-05-14T20:52:02Z
- AI-assisted enrichment
- Yes
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