Medium risk browser extensions

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

  1. Cashback Assistant

    Opera Norway AS · Shopping

    Medium

    Cashback Assistant sends merchant-site visit events to Google Analytics with a persistent extension-generated client ID.

  2. Chat AI - Chat GPT 5 on all sites

    Chat AI

    Medium

    Chat AI opens a cleartext WebSocket that includes the signed-in Firebase user ID.

  3. ChatGPT Prompt Assistant

    joeyou30140

    Medium

    ChatGPT Prompt Assistant loads a Buy Me a Coffee image beacon on supported AI chat pages.

  4. Cookie Editor

    tmtk.apps

    Medium

    Cookie Editor lets a tumutuk.com paywall iframe enable an affiliate tag on Amazon product-page visits.

  5. Cute Dogs Wallpaper

    cute.dogs.wallpaper

    Medium

    Cute Dogs Wallpaper sends new-tab search queries to cute-dogs-wallpaper-com.s1search.co.

  6. Docs Offline

    Suijin

    Medium

    Docs Offline sends pasted text, page details, quiz content, and page images from all sites to ClipKey servers.

  7. GeoGuesser Hacker (GeoGuesser Hack / Cheat)

    collin · Fun

    Medium

    GeoGuesser Hacker can capture the active tab in Fast/Max mode and send the screenshot to its Firebase backend.

  8. Goldfire Highlighting

    Goldfire Engineering

    Medium

    Goldfire Highlighting allows any web page to collect cookies for arbitrary domains and forward them to a native host application.

  9. Google Maps Extended Routes

    cardinalby · Travel

    Medium

    Google Maps Extended Routes sends bookmark preview URLs to public CORS proxy services when direct fetching is blocked.

  10. Google Search Console - Bulk URL Removal

    lihster.developer

    Medium

    Google Search Console - Bulk URL Removal sends license validation requests to LemonSqueezy with a packaged bearer token.

  11. Google Sheets Dark Mode

    Simple Dark Mode

    Medium

    Google Sheets Dark Mode runs delayed remote Google search tasks and sends browsing activity to refresh.simpledarkmode.com.

  12. Instant Multi Search

    Jerome Dalbert · Tools

    Medium

    Instant Multi Search sends omnibox searches to Google Suggest over unencrypted HTTP.

  13. Intentional – Website Blocker & Focus App

    Janez Cadez

    Medium

    Intentional sends extension analytics and blocked-page events with a persistent ID to PostHog.

  14. KiotViet

    KiotViet · Communication

    Medium

    KiotViet rewrites Facebook request headers and sends Messenger and GraphQL requests with scraped session tokens.

  15. Learn Languages on YouTube & Netflix - zeroStudy

    jameskool

    Medium

    Learn Languages on YouTube & Netflix - zeroStudy sends watch-session details, an access token, and a bundled secret to Supabase.

  16. Mailbutler

    Mailbutler GmbH · Communication

    Medium

    Mailbutler for Gmail stores its API bearer token in Gmail page localStorage.

  17. Music Downloader Premium

    RunApps

    Medium

    Music Downloader Premium sends each browsed page URL with a persistent user ID to www.runapps.org.

  18. MyWorlClock

    Mobitech

    Medium

    MyWorlClock sends new-tab search terms to clock.myworl-clock.com.

  19. NIXZ Plugin: AI recruiting software

    NIXZ

    Medium

    NIXZ Plugin stores remembered NIXZ account passwords in Chrome sync storage after login.

  20. Offer.love - Bank Merchant Card Offer Collector

    Costbell · Shopping

    Medium

    Offer.love uploads collected bank card-offer details to api.offer.love every six hours.

  21. Page Analytics: on-page SEO insights from GA4

    Roman Imankulov

    Medium

    Page Analytics sends the current page URL to pageanalytics.io and writes click heatmap data into page-readable attributes.

  22. PiHole Browser Extension

    badsgahhl

    Medium

    PiHole Browser Extension sends the Pi-hole API password to its default Pi-hole HTTP admin endpoint.

  23. Post SMTP Notifications

    Medium

    Post SMTP Notifications sends the signed-in user's Firebase UID over a cleartext WebSocket.

  24. Revzap

    Pedro Silva

    Medium

    Revzap contacts ads-blank.com for remote rules that update request blocking and page CSS changes.

  25. Savely - Price Comparison, Find Lower Prices

    Savely · Shopping

    Medium

    Savely sends visited domains and, when eligible, full page URLs with a persistent ID to savely-plugin.vercel.app.

  26. Segsmart Web Plus

    coderlicences

    Medium

    Segsmart Web Plus rewrites WhatsApp Web's security policy and places login tokens in its uninstall URL.

  27. Tab Merge

    Nikolay Gechev · Education

    Medium

    Tab Merge sends all complete current-window tab URLs to the first tab's origin when you click its toolbar button.

  28. Telegram Video Downloader

    builderproduct

    Medium

    Telegram Video Downloader sends Telegram chat names to Google Analytics when users download videos.

  29. Telegram Video Downloader - download telegram video

    tg-downloader · Tools

    Medium

    Telegram Video Downloader sends signed-in profile details to the web page that opened its auth page.

  30. Tetrycs

    winsonwang03

    Medium

    Tetrycs loads remote analytics scripts and inserts remote advertisement HTML in its popup.

  31. TikTok unban - ban pass

    Medium

    TikTok unban - ban pass fetches remote rules that can rewrite visited tab URLs to server-supplied destinations.

  32. Tiplino: Cashback és kedvezménykuponok

    Tipli · Shopping

    Medium

    Tiplino reads selected page text chosen by remote rules and sends it to www.tiplino.hu.

  33. Udio AI Music Generator

    Medium

    Udio AI Music Generator reads your Chrome profile ID and sends it to livepolls.app for extension login.

  34. UpAlerts: AI Cover Letters

    Shajeel Afzal

    Medium

    UpAlerts: AI Cover Letters exposes its account email to scripts on Upwork, Fiverr, and LinkedIn through a page event bridge.

  35. Urban View

    gnomiv1980

    Medium
  36. Web browser with anonymous access

    officeonlinesystems

    Medium

    Web browser with anonymous access sends each non-OffiDocs tab URL to OffiDocs with a persistent local username.

  37. World Weather

    office@marketinyo.com · News & Weather

    Medium

    World Weather redirects new-tab search queries to search.world-weather-extension.com with a fixed tracking ID.

  38. Writer Watch

    ReaderScout · Shopping

    Medium

    Writer Watch embeds a WordPress API authorization key and sends user and book IDs to writerwatch.com.

  39. iTour chat translation

    iTourTranslator · Well-being

    Medium

    iTour chat translation sends page text for translation to a cleartext HTTP endpoint.

  40. leetcode cheatsheet

    azl397985856

    Medium

    leetcode cheatsheet sends problem page HTML, URL, title, language, and editor code to RapidAPI when you click write solution.

  41. X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)

    Byungwook Kang

    Medium

    X-notifier uses plain HTTP for some optional forum and mail checker requests, including credentials or mailbox data.

  42. Browse.live Web Safety

    AppEsteem Corporation

    Medium

    Browse.live Web Safety can collect page DOM text or attributes from any site and send them as telemetry.

  43. AboveVTT

    Daniele Martini

    Medium

    AboveVTT loads Dropbox and YouTube scripts into authenticated D&D Beyond VTT pages.

  44. PAYBACK Internet Assistent (PIA)

    PAYBACK GmbH

    Medium

    PAYBACK Internet Assistent includes PAYBACK API credentials and uses them for CAPI requests.

  45. AdBlocker Diamond

    adblockerdiamond

    Medium

    AdBlocker Diamond can load server-selected scripts into matching web pages.

  46. AdManage AdScan | Save Ads & Reveal Spend

    AdScan

    Medium

    Save Facebook Ads & Reveal Ad Spend - Adscan.ai reads and writes Facebook ad reach cache entries on Upstash.

  47. AliExpress CSV Export

    Mladen Markovic

    Medium

    AliExpress CSV Export redirects AliExpress product and store clicks through clickwrap.xyz once per day.

  48. AliSaving Plus - Aliexpress Product Image Downloader with Videos

    Rovalty

    Medium

    AliSaving Plus opens AliExpress product and store clicks through a hardcoded affiliate deep-link URL.

  49. Amazon Vine Ultraviner

    Medium

    Amazon Vine Ultraviner downloads code from ultraviner.com and registers it to run on Amazon Vine pages.

  50. Architecture Tab

    OZ

    Medium

    Architecture Tab sends new-tab search queries to srchingoz.com with affiliate parameters.

  51. AutoGrok - Auto send Grok prompts and download images/videos

    Autojourney

    Medium

    AutoGrok sends the signed-in Grok account email to Google Analytics and uploads selected image-reference files to imgbb.

  52. Automatic twitch translator

    ultracodinghq

    Medium

    Automatic twitch translator sends Twitch chat text to translation providers and loads remote selector config.

  53. BestStore Printer Launcher

    Autel srl

    Medium

    BestStore Printer Launcher exposes an unvalidated HTTP proxy via its external messaging API, reachable by any localhost page.

  54. Bitcashback

    bitCashback · Shopping

    Medium

    Bitcashback uploads stored popup interaction logs with active-tab domains and the logged-in email to bitcashback.net.

  55. Brawl Stars Cursors

    niceExtensions · Fun

    Medium

    Brawl Stars Cursors redirects Google search pages to ugnewtab.net with the user's query.

  56. Calligra online - office, graphics & email

    officeonlinesystems

    Medium

    Calligra online - office, graphics & email sends visited page URLs to OffiDocs with a persistent extension-generated username.

  57. Cashback service Paidwork

    Paidwork · Shopping

    Medium

    Cashback service Paidwork can send its stored Paidwork user ID to a page-controlled URL after a click.

  58. Check US Visa Slots - AIS Visa Portal

    Check US Visa Slots

    Medium

    Check US Visa Slots sends AIS appointment details and an appointment-form screenshot to app.checkvisaslots.com.

  59. Chegg CourseHero Bartleby Skip Question

    Alcazar

    Medium
  60. CiteMaker CiteWeb | APA 6th Edn.

    CiteMaker

    Medium

    CiteMaker CiteWeb sends login credentials to citemaker.com using GET requests.