Medium risk browser extensions

2,245 browser extensions our behavioral analysis rates medium risk, with the evidence behind each verdict.

  1. 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.

  2. Copy Text Easily

    wahvinci · Workflow & Planning

    Medium
  3. 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.

  4. Crunchyroll Speeder: adjust playback speed [QVI]

    Awesome Extensions · Entertainment

    Medium

    Crunchyroll Speeder reads your Crunchyroll account profile, watch history and subscriptions and uploads them to me3x.online.

  5. 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.

  6. Debrid-Link

    DebridLink

    Medium

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

  7. 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.

  8. 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.

  9. 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.

  10. Eclipse Ad Blocker

    Eclipse

    Medium
  11. Engage AI - ChatGPT for Social Media

    Engage AI

    Medium

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

  12. Equicord Web

    thororen

    Medium

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

  13. 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.

  14. FastSearch

    Manuals Library

    Medium
  15. FatCoupon Cashback & Promo Codes

    https://www.fatcoupon.com · Shopping

    Medium

    FatCoupon Cashback & Promo Codes transmits the full URL of every page visited to its servers and fetches remotely-controlled code that executes in the context of web pages.

  16. Footballguys Extension: Manage My Leagues

    footballguys-chrome-extension

    Medium

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

  17. Force Paster

    Pratyush Vashisht · Accessibility

    Medium

    Force Paster sends paste activity, active hostnames, and field tags to a Cloud Functions analytics proxy.

  18. Fortinet Support Tool

    Fortinet

    Medium
  19. Gmail Button by cloudHQ

    cloudHQ · Communication

    Medium

    Gmail Button by cloudHQ enumerates all signed-in Google accounts on Gmail load and sends collected email addresses to cloudhq.net.

  20. Gmail Tabs

    cloudHQ · Communication

    Medium

    Gmail Tabs by cloudHQ collects all signed-in Google account email addresses and transmits them to cloudhq.net on each Gmail load.

  21. 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.

  22. 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.

  23. HAVAH Wallet

    HAVAH

    Medium

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

  24. 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.

  25. Howdou for Google Classroom

    Howdou

    Medium

    Howdou for Google Classroom sends the signed-in teacher's email address and assignment IDs to embed.howdou.net on every interaction.

  26. IOTA Wallet

    tooling-admin

    Medium

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

  27. ImgGet - Image Downloader

    ImgGet Image Downloader

    Medium

    Download multiple images from web pages with options to filter and save them in different formats.

  28. InCognito

    Tiny Unicorns

    Medium
  29. Keeper® Password Manager & Digital Vault

    Keeper Security

    Medium

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

  30. Kixie PowerCall

    Medium
  31. Klarway

    Klarway · Education

    Medium

    Klarway continuously captures screen video, webcam footage, and audio during exams and transmits them to its backend, while broadcasting session credentials to all page scripts.

  32. Kleo

    Kleo

    Medium
  33. Leeco AI

    Preplaced · Education

    Medium
  34. Linguix: Grammar Checker and AI Writing App

    Linguix · Accessibility

    Medium

    Linguix sends text fragments surrounding grammar corrections to Amplitude analytics on any website.

  35. MP3 Downloader

    MP3 Tools

    Medium

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

  36. Magnifying Glass for Google Chrome™

    Thomas David

    Medium

    Magnifying Glass for Google Chrome places a screenshot of the current tab into the page DOM after you click it.

  37. 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.

  38. Maps & Driving Directions

    Maps & Driving Directions

    Medium

    Maps & Driving Directions fetches remote HTML from its own server and injects it into the new tab page without sanitization.

  39. Multiversity LockDown Browser

    Respondus Inc

    Medium

    Multiversity LockDown Browser transmits student name, username, and exam identifiers to a proctoring server and disables all other extensions during exam sessions.

  40. 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.

  41. Zapme

    LuanCastoldi · Communication

    Medium
  42. OKIOCAM Live

    https://www.okiolabs.com

    Medium

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

  43. OP_WALLET

    opnet

    Medium

    OP_WALLET sends a persistent device ID and Bitcoin wallet address to its servers on every browser start.

  44. Oalur - Amazon Products&Traffic Research Tool

    itsupport

    Medium
  45. 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.

  46. 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.

  47. ProTab | Arbfonts

    arbfonts

    Medium

    ProTab | Arbfonts injects script into competitor Arabic font sites to strip all hyperlinks, disabling navigation on those pages.

  48. Rezi

    Medium
  49. QR Code Generator

    QR Code App · Workflow & Planning

    Medium
  50. QuickSearch - חיפוש בטוח

    Get Play LTD

    Medium

    QuickSearch - חיפוש בטוח silently overrides the default search engine and homepage to redirect searches to quicksearch.pro.

  51. ROSE Wallet

    Oasis Protocol Foundation

    Medium

    ROSE Wallet stores a V0 migration backup of private keys in extension localStorage protected by a KDF 31x weaker than the current standard.

  52. Rayburst Connect

    AnInsomniac

    Medium

    Motrix Next Extension forwards browser download URLs, referrers, cookies, and request headers to the local Motrix Next API.

  53. Read to Me

    ReadtoMe · Tools

    Medium

    Read to Me captures DOM snapshots of every page you visit and sends them to Sentry, and transmits page URLs to Amplitude on each user interaction.

  54. Rutor обход блокировки

    open.rutracker.org

    Medium

    Rutor обход блокировки routes browser traffic through a remotely configured proxy and injects clickunder ads on every mouse click.

  55. SEMRush Rank

    trellian-devs

    Medium

    SEMRush Rank transmits the full URL of each visited tab to rank.trellian.com on every page load and tab switch.

  56. Savings add-on

    Inspiring Benefits

    Medium

    Savings add-on sends merchant names and interaction events to Google Analytics using a persistent identifier, without prompting Chrome users for consent.

  57. SellerApp Chrome Extension

    sellerapp-dev · Workflow & Planning

    Medium
  58. Serpstat Website SEO Checker

    serpstat.com · Workflow & Planning

    Medium

    Serpstat Website SEO Checker records every URL visited and periodically uploads the full browsing history to plugin.serpstat.com.

  59. ShopNow

    ShopNow

    Medium

    ShopNow replaces the default search engine and injects a cookie-derived affiliate tracking parameter into navigations to alphashopnow.co.

  60. Shorts scroller, works with Youtube [QVI]

    BestChromeExtensions · Entertainment

    Medium

    Shorts scroller sends YouTube, U-NEXT, and Crunchyroll account/profile and viewing data to me3x.online.