Medium risk browser extensions

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

  1. 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.

  2. Urban View

    gnomiv1980

    Medium
  3. WAPI Extractor

    creativoslat

    Medium

    WAPI Extractor sends WhatsApp Web page details and a persistent client ID to Google Analytics.

  4. Wandrer Map Overlay

    wandrer.earth

    Medium

    Wandrer Map Overlay lets scoped route-planning pages read saved extension storage, including the user's Wandrer API key.

  5. 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.

  6. Writer Watch

    ReaderScout · Shopping

    Medium

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

  7. iTour chat translation

    iTourTranslator · Well-being

    Medium

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

  8. leetcode cheatsheet

    azl397985856

    Medium

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

  9. mdpi_home

    Medium

    mdpi_home stores your MDPI login token in a non-secure cookie and renders notifications into active pages.

  10. AboveVTT

    Daniele Martini

    Medium

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

  11. PAYBACK Internet Assistent (PIA)

    PAYBACK GmbH

    Medium

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

  12. AdBlocker Diamond

    adblockerdiamond

    Medium

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

  13. 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.

  14. AliExpress CSV Export

    Mladen Markovic

    Medium

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

  15. 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.

  16. Architecture Tab

    OZ

    Medium

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

  17. BestStore Printer Launcher

    Autel srl

    Medium

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

  18. BinoBot - AI Powered Trading

    GoodBots · Accessibility

    Medium

    BinoBot sends Binomo authtoken and device_id cookies in a remote-configured WebSocket connection URL.

  19. Bitcashback

    bitCashback · Shopping

    Medium

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

  20. BlankADS

    Medium

    BlankADS sends browser and ruleset status to ads-blank.com and applies remote request-blocking and CSS rules.

  21. Bloom

    bloombotextension · Tools

    Medium
  22. Brawl Stars Cursors

    niceExtensions · Fun

    Medium

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

  23. Cashback service Paidwork

    Paidwork · Shopping

    Medium

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

  24. ChatGpt VPN - ВПН для ChatGpt Ai

    katia.noomova

    Medium

    ChatGpt VPN fetches its proxy server list from public pages and routes browser traffic through those servers.

  25. 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.

  26. Chegg CourseHero Bartleby Skip Question

    Alcazar

    Medium
  27. CiteMaker CiteWeb | APA 6th Edn.

    CiteMaker

    Medium

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

  28. Comment Stack - Save Live Chats for YouTube™

    Tabgraf

    Medium

    Comment Stack records its extension UI pages and sends DOM snapshots and input events to tglens.tabgraf.com.

  29. Etsy Downloader - Download Videos & Images

    Caller Cao

    Medium

    Etsy Downloader sends Etsy page URLs and search terms to Aliyun Logs when download controls are used.

  30. ExtraPe - Affiliate Link Converter

    ExtraPe · Shopping

    Medium

    ExtraPe - Affiliate Link Converter sends account passwords in authentication URL query strings to www.extrape.com.

  31. FIVERR +

    AnyThink

    Medium

    FIVERR + sends Chrome profile and Fiverr account details to fiverr-plus.vercel.app on install and startup.

  32. Fotor Design: Graphic Design & Photo Collage

    Fotor · Art & Design

    Medium

    Fotor Design opens selected page image URLs on Fotor over plaintext HTTP.

  33. Gemini EDU Prompt Assistant (TW)

    數位敘事力期刊(吳奇 主編) · Education

    Medium

    Gemini EDU Prompt Assistant (TW) stores your Gemini API key in gemini.google.com localStorage and sends it to Google's API.

  34. Get Maps & Driving Directions

    QwerPDF

    Medium

    Get Maps & Driving Directions sets bestfreemaps.com as the default search provider for omnibox searches.

  35. Lazada Save - Download Product Images & Video

    E-Media

    Medium

    Lazada Save reports Lazada product-page visits to imgvidcfig.com and can route the tab through a returned URL.

  36. LinkMatch

    Yuriy Yazlovytskyy · Communication

    Medium

    LinkMatch for Pipedrive pulls LinkedIn profile targets from its server and fetches them using your logged-in session.

  37. Minimalist Tab

    Solaire

    Medium

    Minimalist Tab routes browser and new-tab search queries through ad-block-pro.co and track.clickcrystal.com.

  38. Mojo - Automatic Coupons at Checkout

    developer · Shopping

    Medium

    Mojo runs JavaScript function strings fetched from its own server inside every website you visit.

  39. Moni

    getzencore

    Medium

    Moni sends the user's bearer access token in its trading WebSocket URL.

  40. Ntro.io: Free Job Interview Copilot for Live Coding & Skill Asessment

    Ntro.io · Communication

    Medium

    Ntro.io can send interview-page screenshots and transcript text to api.ntro.io after remote websocket commands.

  41. OUI9 HLS PLAYER M3U8

    oui9mobi

    Medium

    OUI9 HLS PLAYER M3U8 lets web pages drive tab-level request header changes through its public player page.

  42. Random wallpaper

    Axe Media

    Medium

    Random wallpaper sends typed new-tab search queries to suggest.findit-all.com for suggestions.

  43. SEO Toolkit

    lokijoji2

    Medium

    SEO Toolkit contains a remote-controlled redirect mechanism that can send the browser to a third-party URL before a page loads.

  44. Search by image on Aliexpress

    Productsearch · Shopping

    Medium

    Search by image on Aliexpress sends visited URLs to apiheaven.io and can redirect tabs through apiheaven.io/pulse.

  45. SelectorsHub

    Sanjay Kumar · Developer Tools

    Medium
  46. SkoleGPT Webudvidelse

    skolegpt

    Medium

    SkoleGPT Webudvidelse reads DOM text and screenshots from every active tab and transmits them to llm.dbc.dk using hardcoded API keys.

  47. Technion Plus Plus

    Ethan "67" Amiran

    Medium

    Technion Plus Plus embeds GitHub API tokens and uses them to upload shared course histogram data to GitHub.

  48. The Optimiser - TradingView Strategies

    ChromeExtGuy

    Medium

    The Optimiser asks a publisher-controlled endpoint for URLs and can open them in browser tabs each day.

  49. Top Best Extension

    Top-Best Tab Manager

    Medium

    Top Best Extension sends each top-level navigation URL and open-tab count to top-best.com.

  50. WA Filter & Number Checker: Check & Verify WhatsApp Numbers

    rahul · Communication

    Medium

    WA Filter & Number Checker sends your Google profile email and WhatsApp number to its backend.

  51. WB BHUMI PRINT

    wbbhumiprint.com

    Medium

    WB BHUMI PRINT stores Remember Me email and password credentials in extension storage for up to one year.

  52. Zinx

    sellerprobrasil

    Medium

    Zinx opens a first-login welcome page with the user's bearer token in the URL.

  53. 有道词典划词扩展2025

    笃行

    Medium

    The extension sends selected page text to Youdao's HTTP translation endpoint for lookup.

  54. Image Downloader

    Suricata Tech

    Medium

    Image Downloader rewrites outgoing request Referer headers to the active tab's origin while its popup scans a page.

  55. WhatRuns

    Whatruns

    Medium

    WhatRuns reads page HTML, email addresses, and server-selected page fields and sends them to whatruns.com.

  56. Utorrent For Firefox

    Utorrent

    Medium

    Utorrent For Firefox sends uTorrent Web UI credentials and torrent URLs over cleartext HTTP.

  57. Shorts block-tube

    Mbaabu

    Medium

    YouTube Shorts Blocker loads Google Fonts from its popup, sending request metadata to Google.

  58. Youtube Defender - Нет замедлению Youtube

    Me

    Medium

    Youtube Defender routes YouTube and GoogleVideo traffic through hardcoded authenticated SOCKS proxies.

  59. Check4Change

    Ronen Zilberman

    Medium

    Check4Change sends monitored page URLs and selected page text to check4change.com for VIP email alerts over HTTP.

  60. 2FA Authenticator

    hemancini

    Medium

    2FA Authenticator stores authenticator secrets and bypass credentials encrypted with passphrases shipped in the extension.