Is The Quick QR Code - Multi-scene decoding tool safe?

Low risk

Quick QR Code accepts QR-history entries from any page script with no origin check and can jump to attacker-set URLs.

The content script listens for window postMessage events without verifying who sent them, so any script running on a page the user visits can inject an arbitrary title and URL into the extension's saved QR-code history. Clicking that saved entry later opens the attacker-supplied URL. Separately, when the extension's local QR decoder fails on a screenshot or uploaded image, it falls back to uploading the full image as a base64 data URL to the vendor's own qrcd.org server for server-side decoding.

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

QuickQRCodev3.7.3Chrome Web Store
20Risk
Who publishes it

QuickQRCode - 1 other listing from the same operator, 1 of them carrying a finding

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

Publisher
QuickQRCode
Website
qrcd.org/

Same store account

1 other listing published from this account, 10k+ users between them. 1 of them carries a finding.

URL Scanner and QR Codes10k+Medium

Shared hosts - 1 hostname

Hostnames hardcoded in this extension that few other listings call. That can mean one operator behind both, and it can equally mean a small shared vendor, so it is context rather than a conclusion. Hosts that many listings call are left out: they are services, not connections.

qrcd.org
Also called by 5 other listings

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 3.7.3. 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>

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

    tabs

  • Add items to the right-click menu

    contextMenus

  • Show you desktop notifications

    notifications

  • Store an unlimited amount of data in your browser

    unlimitedStorage

  • Store data in your browser

    storage

  • Schedule its own background tasks

    alarms

  • Run hidden pages in the background

    offscreen

Where it sends data

Destinations our analysis observed The Quick QR Code contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • qrcd.org

    The Quick QR Code sends data to qrcd.org. One other extension we have analysed sends data here.

Updated 30 September 2026eefoinodjigoedmfjkbikmdhecggljgc