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Is Five9 Softphone Extension safe?

This security report analyses whether Five9 Softphone Extension is safe to install on your browser. We check Five9 Softphone Extension for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Five9 Softphone Extension is safe for your personal or enterprise fleet.

Medium risk

Enterprise softphone extension that implements postMessage handlers without origin validation, creating potential for cross-origin message injection. Connects to local WebSocket service at ws://127.0.0.1:8083.

v13.1.2Chrome Web Store
45Risk

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

Publishers can request a review.

Updated 10 April 2026bicpgcafpnanabffjhclgpeehoadhglp

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