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Advisories

Taipy through 4.1.1 Cross-Site WebSocket Hijacking via Wildcard socket.io CORS

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severity
critical
date
Affecting

  • taipy <= 4.1.1

CWE
  • CWE-1385 Missing Origin Validation in WebSockets
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Credit
George Chen
Description
Taipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications. Attackers can open socket.io sessions from arbitrary domains and invoke state variable modifications and action callbacks without CSRF protection.

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