W3C

W3C に関連する脆弱性 1

• 中 5.7 WebSub: Reflected script execution through intent-verification challenges WebSub is a W3C recommendation produced by the Social Web Working Group. In recommendation REC-websub-20180123, the intent-verification protocol requires a subscriber to echo the hub.challenge value, also exposed as hub_challenge by some frameworks, but does not require safe response media typin... CVE-2026-50571 7:40