Is Open in IE safe?

Low risk

Open in IE exposes a shared DOM channel that any webpage can use to open an attacker-chosen URL in Internet Explorer.

The extension injects two content scripts into every webpage to relay user clicks to a native IE launcher. Page-context JavaScript can dispatch a CustomEvent on the extension's shared DOM element to supply an arbitrary URL; the content scripts forward this to the background worker, which calls chrome.runtime.sendNativeMessage to launch iexplore.exe with that URL on Windows. The native messaging host is the extension vendor's own app (com.add0n.node), so no data leaves to third-party servers.

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

Andy Portmenv0.3.3Firefox Add-ons
17Risk
Who publishes it

Andy Portmen - no other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

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 0.3.3. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • See the address and title of every tab you have open

    tabs

  • Store data in your browser

    storage

  • Add items to the right-click menu

    contextMenus

  • Talk to a program installed on your computer, outside the browser's sandbox

    nativeMessaging

Updated 2 November 2026amo-756768