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WebSocket Security Issues

High · Session · CWE-1385

Description

Missing Origin checks, auth gaps, message injection.

Root cause

WebSocket treated as trusted channel.

Impact

CSWSH, data theft, chat abuse.

Detection

Cross-origin WebSocket tests.

Mitigation

Validate Origin; authenticate WS; sanitize messages.

Secure coding

Use wss:// and session binding.

Safe lab example

WebSocket security labs

Practise related skills in Labs or deepen on Academy library.