Top 10 web hacking techniques of 2025
2026-07-28T20:51:49Z•db59b154efdfc0fa7f95c4a34f55f282a5a966342063cd70d19909ef237fd9b8
CSP-bypassCSS-exfiltrationHTTP-desynchronizationHTTP-request-smugglingIDORJWTSAMLSSRFURL-validation-bypassWAF-bypassXSSaccess-controlauthentication-bypassbrowser-securitycookie-securityoffensive-securityparser-discrepancyrace-conditionsecurity-researchtoken-forgeryweb-application-securityweb-cache-poisoningweb-security
What happened
PortSwigger Research feed aggregating web application security research and offensive testing techniques published from 2023 through February 2026. Topics include SAML authentication bypasses, HTTP request smuggling and desynchronization, cookie and WAF parser discrepancies, CSS and XSS data exfiltration, SSRF and URL validation bypasses, cache poisoning, access-control flaws, race conditions, JWT and signed-token forgery, CSP bypasses, and browser or parser inconsistencies. Several entries describe potentially high-impact authentication bypass, account or session compromise, data exfiltration
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- portswigger_research
- Record identifier
- db59b154efdfc0fa7f95c4a34f55f282a5a966342063cd70d19909ef237fd9b8
- Enrichment time
- 2026-07-28T20:51:49Z
- AI-assisted enrichment
- Yes
This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.