Locked postMessage-tracker | OWASP

[dEEpEst]

A Chrome Extension to track postMessage usage (url, domain and stack) both by logging using CORS and also visually as an extension-icon

This Chrome extension monitors postMessage-listeners by showing you an indicator about the amount of listeners in the current window.

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It supports tracking listeners in all subframes of the window. It also keeps track of short-lived listeners and listeners enabled upon interactions. You can also log the listener functions and locations to look them through them at a later stage by using the Log URL-option in the extension. This enables you to find hidden listeners that are only enabled for a short time inside an iframe.

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