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Is ScriptCat safe?

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

High risk

ScriptCat is a legitimate userscript manager extension that is not malware, but represents HIGH RISK due to its inherent functionality of executing arbitrary third-party JavaScript with maximum privileges.

v1.2.6Chrome Web Store
100Risk

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

Publishers can request a review.

Updated 10 April 2026ndcooeababalnlpkfedmmbbbgkljhpjf

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