Can see URLs and titles of all open tabs
Can inject and execute JavaScript code in web pages
Can save data locally in the browser for persistence
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[](https://catalog.extenshi.io/extensions/65990/security)
<a href="https://catalog.extenshi.io/extensions/65990/security"><img src="https://catalog.extenshi.io/api/badge/65990" alt="Extenshi security score" /></a>
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