Medium risk browser extensions

1,632 browser extensions our behavioural analysis rates medium risk, with the evidence behind each verdict.

  1. Toby Mini

    Toby

    Medium

    Toby Mini sends open tab URLs and saved bookmark data to its servers when AI features are used.

  2. Urban AdBlocker

    Urban VPN · Accessibility

    Medium

    Urban AdBlocker sends URLs, page titles, referrers, and request metadata from visited pages to Urban VPN.

  3. VPN United Kingdom - Planet VPN lite Proxy

    Free VPN Planet · Privacy & Security

    Medium

    The extension decrypts proxy credentials with a hardcoded AES key and can disable other installed browser extensions.

  4. Voice Out

    Dictanote · Accessibility

    Medium

    Voice Out reads the page text or selection you ask it to speak and, on the default free voice, sends it to Google Translate's internal RPC.

  5. Web Maker

    Kushagra Gour

    Medium

    Web Maker syncs user code to Firebase and a multiplayer backend, and sends behavioral telemetry to a Google Cloud Run endpoint.

  6. YouTube Subtitle Downloader

    Anton Khoteev

    Medium

    YouTube Subtitle Downloader generates a persistent browser fingerprint and sends video IDs and user actions to the developer's server.

  7. iTour Video Translation

    iTourTranslator

    Medium

    iTour Video Translation captures audio from the current tab, screen, or microphone and streams it to Alibaba Cloud and Microsoft speech services for transcription.

  8. Shinigami Eyes

    Shinigami Eyes

    Medium

    Shinigami Eyes collects surrounding post DOM from social media pages and transmits it to shini-api.xyz when a user labels an account.

  9. ZenMate Free VPN

    ZenMate

    Medium

    ZenMate Free VPN sends the user's real IP address and location to a third-party geolocation service on install.

  10. 1of10.com - Optimization Tool For Youtube

    1of10

    Medium

    1of10.com - Optimization Tool For Youtube assigns a persistent device ID and transmits it with browsing analytics to 1of10.com servers.

  11. AIPRM for Claude

    AIPRM

    Medium

    AIPRM for Claude intercepts outgoing Claude conversation requests and transmits the user's account UUID to api.aiprm.com on every visit.

  12. ANNEXX

    ANNEXX

    Medium
  13. Add to Microsoft To Do

    Pavlo Ukhan

    Medium

    Add to Microsoft To Do stores Microsoft OAuth tokens in sync storage encrypted with a hardcoded AES key bundled in the extension source.

  14. AdsMeta — Facebook Ads Manager

    adsmeta · Tools

    Medium

    AdsMeta reads your Facebook ad-account access token from facebook.com and shares it with its own adsmeta.io dashboard.

  15. AliDownloader

    Mladen Markovic

    Medium
  16. Alibaba Search by image

    alibabasearchbyimage · Shopping

    Medium
  17. Amazon Keyword Tool for free : SellerApp

    sellerapp-dev

    Medium

    SellerApp's keyword tool silently scrapes your Amazon Seller Central Brand Analytics data and uploads it to SellerApp's servers.

  18. Anime Cursor - Custom Cursor for Chrome™ - All in One Anime Cursors

    Gameograf · Fun

    Medium

    Anime Cursor fetches remote cursor URLs from api.gameograf.com on every popup open and injects them unsanitized into CSS on all web pages.

  19. Asia Live Search

    dominicterry597

    Medium
  20. AutoDS Dropshipping Extension

    AutoDS

    Medium

    AutoDS - Dropshipping Helper intercepts XHR traffic and request headers on supplier sites and sends AliExpress product URLs to a third-party server for affiliate link rewriting.

  21. Axhub

    Axhub

    Medium

    Axhub accepts page-supplied URLs to fetch and execute remote JavaScript in any open tab via chrome.scripting.executeScript.

  22. Batch Upload Tool

    BigSeller

    Medium

    Batch Upload Tool sends page URLs, device identifiers, and IP addresses to events.sellfox.com on every product scrape action.

  23. ZilPay

    Rinat · Communication

    Medium
  24. BeeLine Reader

    BeeLine Reader · Education

    Medium

    BeeLine Reader sends the full URL of each active page to Google Analytics via a tracking pixel for free and trial users.

  25. Bright Tab

    coryatkinson56

    Medium

    Bright Tab routes every new-tab search query through its own server with a persistent user ID and a server-assigned secret token.

  26. CCH® Browser Search

    icsearch-developers

    Medium

    CCH® Browser Search transmits search queries and a user identifier to cchconnect.cch.com on every Google, Bing, and Google Scholar search.

  27. CMS Detect - What CMS is that site using?

    OK Digital Ltd.

    Medium

    CMS Detect sends the active tab's URL to cmsdetect.com over plaintext HTTP each time the popup is opened.

  28. ChemDraw Web Clipboard

    Revvity Signals Software, Inc.

    Medium

    ChemDraw Web Clipboard bridges clipboard requests from any webpage to a local native messaging host on the user's machine.

  29. AI Summary

    Clarify AI · Tools

    Medium

    Clarify AI sends YouTube transcripts and Google OAuth codes to its own backend, which may retain persistent Google refresh tokens.

  30. Companion Window

    Robert Golderbine · Tools

    Medium

    Companion Window sends the full URL of pages you visit plus a persistent user ID to GiveFreely's analytics server when its review prompt fires.

  31. Create Link

    ku · Social & Communication

    Medium

    Create Link executes user-defined JavaScript in the content script context on every page visited when a custom format filter is set.

  32. Crunchyroll Speeder: adjust playback speed [QVI]

    Awesome Extensions · Entertainment

    Medium

    Crunchyroll Speeder exchanges your Crunchyroll session cookies for an OAuth token and reads your account, history, and subscription data.

  33. Dashlinks - New Tab

    Dashlinks

    Medium

    Dashlinks - New Tab replaces the browser's new tab page and sends every search query to search4it.net along with the extension ID and version.

  34. Debrid-Link

    DebridLink

    Medium

    Debrid-Link renders notification details into every HTTP/HTTPS page where page scripts can read them.

  35. Designer Daily Report

    Panda Network · News & Weather

    Medium

    Designer Daily Report exposes a postMessage handler that any webpage can use to open arbitrary tabs without origin validation.

  36. Dice Thrower

    Cameron Samuels · Fun

    Medium

    Dice Thrower fetches a remote HTML snippet from cameronsamuels.com and injects it into the popup via innerHTML on every open.

  37. Dupe.com

    Dupe.com · Shopping

    Medium

    Dupe.com sends the URL and product metadata from every HTTPS page you visit to Google Analytics.

  38. Easy Web Data Scraper

    Wuhenlove

    Medium

    Easy Web Data Scraper automatically collects Temu product data and forwards it to temuhunt.com during the user's browsing session.

  39. EasyClaw Browser Assistant

    DOCUAGILE PTE. LTD.

    Medium

    EasyClaw Browser Assistant lets a localhost relay send Chrome DevTools commands through the extension.

  40. Engage AI - ChatGPT for Social Media

    Engage AI

    Medium

    Engage AI sends LinkedIn cookies and profile details to Engage AI backend endpoints.

  41. Equicord Web

    thororen

    Medium

    Equicord Web loads QuickCSS editor code from cdn.jsdelivr.net while removing Discord content-security-policy headers.

  42. Extension Club R

    Rakuten · Shopping

    Medium

    Extension Club R reads the Rakuten auth cookie and sends the decoded member ID to Google Analytics on user interaction events.

  43. FastSearch

    Manuals Library

    Medium
  44. Footballguys Extension: Manage My Leagues

    footballguys-chrome-extension

    Medium

    Footballguys Extension: Manage My Leagues sends fantasy-site cookies to Footballguys pages on request.

  45. Get Maps & Directions

    Watch Movies Online

    Medium

    Get Maps & Directions sets getdirectionsmaps.com as the default search provider and sends address-bar searches there.

  46. Google Apps Script GitHub Assistant

    leonhartX

    Medium

    Google Apps Script GitHub Assistant ships hardcoded Bitbucket OAuth2 credentials that any party can extract from the extension bundle.

  47. Google Pagespeed Insights

    APPWRK-IT

    Medium

    Google Pagespeed Insights ships hardcoded SMTP credentials and fetches remote-controlled HTML ads into its popup on every open.

  48. Google Translate Assistant – Side-by-side Translation | PDF Translation

    轻主页

    Medium

    Google Translate Assistant sends page URLs, device identifiers, and tab screenshots to its vendor servers during normal use.

  49. HAVAH Wallet

    HAVAH

    Medium

    HAVAH Wallet sends wallet interaction events (connect, sign, transaction URLs) to Google Analytics with a persistent client UUID.

  50. HTML to PDF

    rob384392black · Tools

    Medium

    HTML to PDF generates a device fingerprint on each popup open and transmits it with geolocation data to hub.malson.eu.

  51. IOTA Wallet

    tooling-admin

    Medium

    IOTA Wallet sends detailed financial activity events — transactions, DApp connections, and key exports — to Amplitude's analytics servers.

  52. InsTF - Instagram follower & unfollower tracker

    Neo Ext Team · Workflow & Planning

    Medium

    InsTF sends the signed-in user's Google email address and Instagram profile statistics to Mixpanel on account sign-in and follower-tracking task execution.

  53. Keeper® Password Manager & Digital Vault

    Keeper Security

    Medium

    Keeper Password Manager stores, autofills, and manages credentials across all websites and supports enterprise SSO authentication.

  54. MP3 Downloader

    MP3 Tools

    Medium

    MP3 Downloader scans every webpage for audio file links and lets users download them directly from the popup.

  55. MapQuest Directions

    MapQuest Directions

    Medium

    MapQuest Directions transmits each search query in real time to its servers and injects server-controlled HTML into every new tab page.

  56. Netflix Skipper: skip intros, recaps & more [QVI]

    dogooodapp · Entertainment

    Medium

    Netflix Skipper collects Netflix account details, viewing history, and profile data and transmits them to remote servers on a 30-minute cycle.

  57. OKIOCAM Live

    https://www.okiolabs.com

    Medium

    OKIOCAM Live sets uploaded Google Drive files to public 'anyone with link' sharing without user confirmation.

  58. OWASP PTK

    pentestkit.co.uk · Developer Tools

    Medium

    OWASP Penetration Testing Kit accepts page bridge messages that send saved DAST scan results to the configured PTK portal.

  59. Poshmark Bot Sharer by Flyp

    Flyp

    Medium

    Poshmark Bot Sharer by Flyp transmits Poshmark user IDs and API request URLs to Sentry's error-tracking servers.

  60. Price Tracker 2.0

    IndiaDesire.com · Shopping

    Medium

    Price Tracker 2.0 collects product data from 15+ e-commerce sites and transmits it, along with user agent and timezone, to api.indiadesire.com.