Is YT Watch Later Assist safe?
This security report analyses whether YT Watch Later Assist is safe to install on your browser. We check YT Watch Later Assist for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if YT Watch Later Assist is safe for your personal or enterprise fleet.
The extension intercepts Google OAuth authorization headers from YouTube requests and stores them in local storage; these tokens are then injected into AJAX requests whose URL and structure are fully controlled by a remotely-hosted Google Apps Script, creating a configuration where the auth token destination can be changed server-side without an extension update.
AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.
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