What's in a tag name? JavaScript, apparently

2026-09-21T20:51:48Z•7af2255ecca2baa1267c734b307e104eed09efd74afbed1e8287132ddd4f1a94
CSP-bypassCSS-injectionHTTP-desynchronizationJWTSAMLSSRFURL-validationWebSocketXSSapplication-securityauthentication-bypasscache-poisoningcookie-securityparser-discrepancyrequest-smugglingsecurity-researchweb-security

What happened

PortSwigger Research feed aggregating web security research on parser discrepancies, HTTP desynchronization and request smuggling, authentication bypasses, cookie and token weaknesses, CSS/XSS injection, URL validation bypasses, cache poisoning, timing attacks, and security testing tooling. Several entries describe potentially high-impact techniques, including SAML authentication bypasses, HTTP desync attacks, cookie protection bypasses, and data exfiltration through CSS. The document is a research index rather than a report of a single confirmed vulnerability, and no specific CVE identifiers3

Why it matters

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

Evidence and limitations

Source ID
portswigger_research
Record identifier
7af2255ecca2baa1267c734b307e104eed09efd74afbed1e8287132ddd4f1a94
Enrichment time
2026-09-21T20:51:48Z
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.

Record · What's in a tag name? JavaScript, apparently · Baitaphish