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Is Stylish - Custom themes for any website safe?

This security report analyses whether Stylish - Custom themes for any website is safe to install on your browser. We check Stylish - Custom themes for any website for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Stylish - Custom themes for any website is safe for your personal or enterprise fleet.

High risk

Transmits full URL of every page visited to userstylesapi.com servers with persistent device identifier on each navigation. For authenticated users, additionally sends display name and email to Mixpanel.

v3.4.10Chrome Web Store
100Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 10 April 2026fjnbnpbmkenffdnngjfgmeleoegfcffe

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