CVE-2023-5654

Summary

CVE-2023-5654 is a vulnerability affecting the React Developer Tools extension. The issue resides in a content script that registers a message listener with window.addEventListener('message'). Malicious websites can exploit this by sending messages with malicious URLs, which are then fetched by the extension without validation or sanitization. This allows the attacker to arbitrarily fetch URLs through the victim's browser.

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