Is Block Site Ex safe?

Medium risk

Block Site Ex requests all-sites access and browser network-rule permissions to block configured websites.

Block Site Ex's manifest grants access to all URLs and permissions for storage, scripting, alarms, and declarativeNetRequest. The available database evidence does not include a confirmed data-sending claim or endpoint for this extension.

Part of this rating comes from analysis signals we haven't published as detailed findings yet.

Block Site Exv2.4.1Chrome Web Store
42Risk

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

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 2.4.1. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on every site you visit

    <all_urls>

  • Schedule its own background tasks

    alarms

  • Store data in your browser

    storage

  • Run its own code inside the pages you visit

    scripting

  • Block and redirect the requests your browser makes

    declarativeNetRequest

Updated 30 September 2026nnkkgbabjapocnoedeaifoimlbejjckj