postMessage Security

Phase 6client sideWSTG-CLNT

Description

Analyses window.postMessage usage for missing origin validation and sensitive data exposure.

Security Impact

postMessage without origin checks allows cross-origin data theft. This module identifies unsafe postMessage implementations.

Automated Detection & AI Remediation

DygDog automatically detects postMessage Security using its continuous, passive scanning engine. When discovered, DygDog provides infrastructure-specific, copy-paste ready code snippets generated by frontier AI models to help you remediate the issue instantly without generic advice.

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