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Is Checker Plus for Gmail™ safe?

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

Low risk

Gmail notification extension with minor security concerns: external message listeners without origin validation and postMessage handlers lacking origin checks.

0Risk

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

Publishers can request a review.

Updated 10 April 2026oeopbcgkkoapgobdbedcemjljbihmemj

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