Medium risk browser extensions

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

  1. Monosearch

    inbayse

    Medium

    Monosearch reads Amazon product and seller data from pages you view and forwards it to the vendor's mnsearch.com and mnrate.com backends.

  2. OceanHero

    OceanHero GmbH

    Medium

    OceanHero reads signed-in Google accounts and top-visited sites, and forwards your user ID to an ad network on every new tab.

  3. OptimAI Lite Node

    OptimAI Network

    Medium

    OptimAI Lite Node collects device fingerprints and reports uptime to api.optimai.network every 10–15 minutes in exchange for passive-income rewards.

  4. Perceptron

    Medium

    Perceptron Network reads Twitter OAuth2 session credentials from storage and sends them, along with full page DOM content, to its backend servers.

  5. Pitch Changer

    Andrei K.

    Medium

    Pitch Changer sends session usage data including the origin of visited tabs to its own servers when server-side telemetry is enabled.

  6. Plug Wallet

    Plug Developers

    Medium

    Plug transmits financial transaction details and a persistent user ID to Google Analytics, and exposes multiple third-party API keys in a web-accessible script any page can read.

  7. Predator Search

    rayt18673

    Medium
  8. QuickForm - Autofill & Form Filler

    quickform.pro · Workflow & Planning

    Medium

    QuickForm Record Mode stores typed form values, including password inputs, in extension storage.

  9. RatePunk Hotel Booking Deals

    yard-venture · Travel

    Medium

    RatePunk records every page's URL and sends hotel searches and prices to its servers, which can also direct it to fetch arbitrary URLs.

  10. Right Click Enable

    Medium
  11. RuDostup — Обход блокировки YouTube в Северной Корее

    RuDostup.ru

    Medium

    RuDostup fetches a remote proxy script from ytprx.ru and routes all of the user's browser traffic through a server-controlled proxy.

  12. Shopify Theme Detector

    Extpose

    Medium

    Shopify Theme Detector sends periodic telemetry to Google Analytics and probes every website the user visits for Shopify store metadata.

  13. Snapchat Camera

    Snapchat · Functionality

    Medium

    Snapchat Camera for Chrome reports per-site usage events and UI interactions to Snapchat's servers on every page visited.

  14. Subtitles Tool for YouTube™

    Anton Khoteev

    Medium

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

  15. Supademo

    Supademo · Tools

    Medium

    Supademo records full DOM snapshots of pages you capture and sends debug logs with the active tab URL and account details to a third-party logger.

  16. Surfe.be

    Dave Modis · Workflow & Planning

    Medium
  17. TG Content Downloader - Telegram Downloader

    cocoouq

    Medium
  18. Tabrr

    Tabrr · Accessibility

    Medium
  19. Tipli: Cashback odměny a kupóny

    Tipli

    Medium

    Tipli scrapes selected page text and sends it with the visited URL to www.tipli.cz.

  20. Traffic Lite

    dtranchina25

    Medium

    Traffic Lite exposes JWT auth tokens in browser-history URLs and accepts storage-wipe commands from any Netlify subdomain.

  21. IMDB Rating on Netflix, Prime & Disney+

    goodmovies · Fun

    Medium

    Trim IMDB Rating sends your streaming page URLs, browsing metadata, and Netflix content details to its own servers and Google Analytics.

  22. Troywell VPN Lite - unlimited VPN proxy

    Troywell · Privacy & Security

    Medium
  23. Unblocker for YouTube

    Wachee

    Medium
  24. Universal Copy-Enable Copy

    Allen Alexis

    Medium

    Universal Copy sends the hostnames of sites you visit, plus your IP, country and a persistent ID, to its Aliyun logging server.

  25. VPN Japan - Planet VPN lite Proxy

    Free VPN Planet

    Medium

    VPN Japan - Planet VPN lite Proxy decrypts proxy credentials using a hardcoded key and can silently disable competing extensions.

  26. Vetted AI: Your Shopping Agent

    yahoo.commerce.browser.extension · Shopping

    Medium
  27. Video Hunter

    Video Hunter · Accessibility

    Medium

    Video Hunter Downloader collects your IP address and geolocation profile at startup and sends browsing activity to Google Analytics on every download and popup interaction.

  28. Vimeo™ Downloader and chatGPT Video Summary

    save.svdex

    Medium

    Vimeo Downloader collects your IP, location, OS and a persistent device ID and sends them with usage events to an Aliyun log server.

  29. 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.

  30. Wanderlustar

    Wanderlustar

    Medium

    Wanderlustar sets itself as your default search engine and routes every search through wanderlustar.com with a fixed affiliate tag.

  31. Weatherly (Weather Forecast)

    Rafi Haidari

    Medium

    Weatherly sends the user's IP address to ip-api.com over plain HTTP on install and every 25 minutes to resolve location for weather lookups.

  32. 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.

  33. Widilo

    Widilo · Shopping

    Medium

    Widilo Cashback embeds a third-party coupon SDK that tracks users with a persistent UUID and sends browsing events to smartshopping.ai.

  34. Windsurf

    Windsurf

    Medium

    Windsurf Plugin transmits full editor text, file paths, and browsing context to server.codeium.com on each keypress in web-based IDEs.

  35. Xiaohongshu for Desktop

    Seiri

    Medium

    Xiaohongshu for Desktop sends each post's ID and Xiaohongshu access token to a third-party server (api.old-panda.com) to fetch media.

  36. 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.

  37. uTab - Unlimited Custom Dashboard

    uTab.io · Accessibility

    Medium

    uTab routes every new-tab search through search.utab.io with a persistent per-user id before redirecting to Bing.

  38. fastproxy-россия

    FastProxy

    Medium

    FastProxy - Россия transmits hashed browsing history to its servers and applies remotely-fetched proxy and redirect rules to user navigation.

  39. 360 Internet Protection

    360 Total Security

    Medium

    360 Internet Protection forwards every URL visited, page title, and HTTP response headers to a local native application on each navigation.

  40. twitch_5

    Alexander Choporov (CoolCmd)

    Medium

    Alternate Player for Twitch.tv sends Twitch stream tokens, GPU fingerprint, and session logs to a third-party server over plain HTTP.

  41. Web of Trust, MyWOT/WOT: Website Reputation Rating

    WOT Services

    Medium

    Web of Trust sends every URL you visit, Google Search results, and ad intelligence to secure.mywot.com on each page navigation.

  42. AI Toolbar - Reclaim Your Time Now

    Ultimate Toolbar Gpt · Tools

    Medium
  43. Ads Hunter

    Century Lab

    Medium
  44. AliExpress Coupon Finder

    Alicoupons · Shopping

    Medium

    AliExpress Coupon Finder opens a hidden tab to the developer's AliExpress affiliate link, attributing your purchase commission to them.

  45. 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.

  46. 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.

  47. audd%C2%AE-music-recognition

    AudD, LLC · Tools

    Medium
  48. Billfish

    billfishchina

    Medium
  49. CAI Tools

    muhammedirsat000

    Medium
  50. 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.

  51. Coursology

    Coursology · Education

    Medium

    Coursology sends selected text and tab screenshots to its AI API and stores user-uploaded files publicly on Vercel Blob storage.

  52. CrapApi Http Test

    https://api.crap.cn

    Medium

    CrapApi Http Test syncs your saved API requests, including headers and credentials, to its backend over unencrypted HTTP.

  53. Document Translator - Translate PDF, PPT online

    imgkits

    Medium

    Document Translator uploads documents you select in its popup to ai.imgkits.com cloud storage.

  54. DownloadAs PNG JPG

    DownloadAs PNG JPG

    Medium

    DownloadAs PNG JPG sends a persistent device UUID to Google Analytics every hour via a background heartbeat.

  55. Dupe.com

    Dupe.com · Shopping

    Medium

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

  56. Easy Video Finder

    Easy Video Finder

    Medium
  57. ExportGPT

    刘润泽

    Medium
  58. FadBlock Origin

    0x48piraj

    Medium

    FadBlock Origin fetches its ad-detection rules from a remote GitHub Pages endpoint on install and update.

  59. Get Maps & Directions

    Watch Movies Online

    Medium

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

  60. 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.