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Is TeaserFast safe?

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

Medium risk

Paid advertising viewing extension that injects overlays and opens pop-ups on all websites without disclosure. Content script on <all_urls> accepts external messages from teaserfast.ru that can inject dynamic HTML and redirect tabs.

v1.2.8Chrome Web Store
45Risk

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

Publishers can request a review.

Updated 10 April 2026pjnejlbfaoikfmdbnghlecdcooheipml

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