CSS:the bomb inside your inbox
2026-08-20T20:51:49Z•c8cd9c43a7916ba9acc58d7ac10929698cbae6a1e308341ae88b308990674dff
access-controlai-security-testingauthentication-bypassbrowser-securitycookie-securitycrlf-injectioncsp-bypasscss-injectiondata-exfiltrationhttp-desynchttponly-bypassjwtopen-redirectparser-discrepancyrequest-smugglingsamlssrftoken-forgeryurl-validationweb-application-securityweb-cache-poisoningweb-researchwebsocketsxss
What happened
PortSwigger Research feed covering web application security research from 2024–2026. Highlighted topics include CSS-based data exfiltration in webmail, CRLF and HTTP desynchronization attacks, SAML authentication bypasses, cookie-prefix and HttpOnly bypasses, URL validation flaws, web cache poisoning, parser discrepancies, CSP bypasses, signed-token forgery, and exploitation of browser or protocol inconsistencies. The collection is primarily research and tooling content rather than a single disclosed vulnerability; specific product impact and CVE assignments are not provided in the feed.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- portswigger_research
- Record identifier
- c8cd9c43a7916ba9acc58d7ac10929698cbae6a1e308341ae88b308990674dff
- Enrichment time
- 2026-08-20T20:51:49Z
- 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.