Medium risk browser extensions
2,245 browser extensions our behavioral analysis rates medium risk, with the evidence behind each verdict.
Monosearch
inbayse
MediumMonosearch reads Amazon product and seller data from pages you view and forwards it to the vendor's mnsearch.com and mnrate.com backends.
OceanHero
OceanHero GmbH
MediumOceanHero reads signed-in Google accounts and top-visited sites, and forwards your user ID to an ad network on every new tab.
OptimAI Lite Node
OptimAI Network
MediumOptimAI Lite Node collects device fingerprints and reports uptime to api.optimai.network every 10–15 minutes in exchange for passive-income rewards.
Perceptron
MediumPerceptron Network reads Twitter OAuth2 session credentials from storage and sends them, along with full page DOM content, to its backend servers.
Pitch Changer
Andrei K.
MediumPitch Changer sends session usage data including the origin of visited tabs to its own servers when server-side telemetry is enabled.
Plug Wallet
Plug Developers
MediumPlug 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.
Predator Search
rayt18673
MediumQuickForm - Autofill & Form Filler
quickform.pro · Workflow & Planning
MediumQuickForm Record Mode stores typed form values, including password inputs, in extension storage.
RatePunk Hotel Booking Deals
yard-venture · Travel
MediumRatePunk records every page's URL and sends hotel searches and prices to its servers, which can also direct it to fetch arbitrary URLs.
Right Click Enable
MediumRuDostup — Обход блокировки YouTube в Северной Корее
RuDostup.ru
MediumRuDostup fetches a remote proxy script from ytprx.ru and routes all of the user's browser traffic through a server-controlled proxy.
Shopify Theme Detector
Extpose
MediumShopify Theme Detector sends periodic telemetry to Google Analytics and probes every website the user visits for Shopify store metadata.
Snapchat Camera
Snapchat · Functionality
MediumSnapchat Camera for Chrome reports per-site usage events and UI interactions to Snapchat's servers on every page visited.
Subtitles Tool for YouTube™
Anton Khoteev
MediumYouTube Subtitle Downloader generates a persistent browser fingerprint and sends video IDs and user actions to the developer's server.
Supademo
Supademo · Tools
MediumSupademo 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.
Surfe.be
Dave Modis · Workflow & Planning
MediumTG Content Downloader - Telegram Downloader
cocoouq
MediumTabrr
Tabrr · Accessibility
MediumTipli: Cashback odměny a kupóny
Tipli
MediumTipli scrapes selected page text and sends it with the visited URL to www.tipli.cz.
Traffic Lite
dtranchina25
MediumTraffic Lite exposes JWT auth tokens in browser-history URLs and accepts storage-wipe commands from any Netlify subdomain.
IMDB Rating on Netflix, Prime & Disney+
goodmovies · Fun
MediumTrim IMDB Rating sends your streaming page URLs, browsing metadata, and Netflix content details to its own servers and Google Analytics.
Troywell VPN Lite - unlimited VPN proxy
Troywell · Privacy & Security
MediumUnblocker for YouTube
Wachee
MediumUniversal Copy-Enable Copy
Allen Alexis
MediumUniversal Copy sends the hostnames of sites you visit, plus your IP, country and a persistent ID, to its Aliyun logging server.
VPN Japan - Planet VPN lite Proxy
Free VPN Planet
MediumVPN Japan - Planet VPN lite Proxy decrypts proxy credentials using a hardcoded key and can silently disable competing extensions.
Vetted AI: Your Shopping Agent
yahoo.commerce.browser.extension · Shopping
MediumVideo Hunter
Video Hunter · Accessibility
MediumVideo Hunter Downloader collects your IP address and geolocation profile at startup and sends browsing activity to Google Analytics on every download and popup interaction.
Vimeo™ Downloader and chatGPT Video Summary
save.svdex
MediumVimeo Downloader collects your IP, location, OS and a persistent device ID and sends them with usage events to an Aliyun log server.
Voice Out
Dictanote · Accessibility
MediumVoice 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.
Wanderlustar
Wanderlustar
MediumWanderlustar sets itself as your default search engine and routes every search through wanderlustar.com with a fixed affiliate tag.
Weatherly (Weather Forecast)
Rafi Haidari
MediumWeatherly 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.
Web Maker
Kushagra Gour
MediumWeb Maker syncs user code to Firebase and a multiplayer backend, and sends behavioral telemetry to a Google Cloud Run endpoint.
Widilo
Widilo · Shopping
MediumWidilo Cashback embeds a third-party coupon SDK that tracks users with a persistent UUID and sends browsing events to smartshopping.ai.
Windsurf
Windsurf
MediumWindsurf Plugin transmits full editor text, file paths, and browsing context to server.codeium.com on each keypress in web-based IDEs.
Xiaohongshu for Desktop
Seiri
MediumXiaohongshu for Desktop sends each post's ID and Xiaohongshu access token to a third-party server (api.old-panda.com) to fetch media.
iTour Video Translation
iTourTranslator
MediumiTour Video Translation captures audio from the current tab, screen, or microphone and streams it to Alibaba Cloud and Microsoft speech services for transcription.
uTab - Unlimited Custom Dashboard
uTab.io · Accessibility
MediumuTab routes every new-tab search through search.utab.io with a persistent per-user id before redirecting to Bing.

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

360 Internet Protection
360 Total Security
Medium360 Internet Protection forwards every URL visited, page title, and HTTP response headers to a local native application on each navigation.

twitch_5
Alexander Choporov (CoolCmd)
MediumAlternate Player for Twitch.tv sends Twitch stream tokens, GPU fingerprint, and session logs to a third-party server over plain HTTP.

Web of Trust, MyWOT/WOT: Website Reputation Rating
WOT Services
MediumWeb of Trust sends every URL you visit, Google Search results, and ad intelligence to secure.mywot.com on each page navigation.
AI Toolbar - Reclaim Your Time Now
Ultimate Toolbar Gpt · Tools
MediumAds Hunter
Century Lab
MediumAliExpress Coupon Finder
Alicoupons · Shopping
MediumAliExpress Coupon Finder opens a hidden tab to the developer's AliExpress affiliate link, attributing your purchase commission to them.
Amazon Keyword Tool for free : SellerApp
sellerapp-dev
MediumSellerApp's keyword tool silently scrapes your Amazon Seller Central Brand Analytics data and uploads it to SellerApp's servers.
Anime Cursor - Custom Cursor for Chrome™ - All in One Anime Cursors
Gameograf · Fun
MediumAnime Cursor fetches remote cursor URLs from api.gameograf.com on every popup open and injects them unsanitized into CSS on all web pages.
audd%C2%AE-music-recognition
AudD, LLC · Tools
MediumBillfish
billfishchina
MediumCAI Tools
muhammedirsat000
MediumChemDraw Web Clipboard
Revvity Signals Software, Inc.
MediumChemDraw Web Clipboard bridges clipboard requests from any webpage to a local native messaging host on the user's machine.
Coursology
Coursology · Education
MediumCoursology sends selected text and tab screenshots to its AI API and stores user-uploaded files publicly on Vercel Blob storage.
CrapApi Http Test
https://api.crap.cn
MediumCrapApi Http Test syncs your saved API requests, including headers and credentials, to its backend over unencrypted HTTP.
Document Translator - Translate PDF, PPT online
imgkits
MediumDocument Translator uploads documents you select in its popup to ai.imgkits.com cloud storage.
DownloadAs PNG JPG
DownloadAs PNG JPG
MediumDownloadAs PNG JPG sends a persistent device UUID to Google Analytics every hour via a background heartbeat.
Dupe.com
Dupe.com · Shopping
MediumDupe.com sends the URL and product metadata from every HTTPS page you visit to Google Analytics.
Easy Video Finder
Easy Video Finder
MediumExportGPT
刘润泽
MediumFadBlock Origin
0x48piraj
MediumFadBlock Origin fetches its ad-detection rules from a remote GitHub Pages endpoint on install and update.
Get Maps & Directions
Watch Movies Online
MediumGet Maps & Directions sets getdirectionsmaps.com as the default search provider and sends address-bar searches there.
Google Apps Script GitHub Assistant
leonhartX
MediumGoogle Apps Script GitHub Assistant ships hardcoded Bitbucket OAuth2 credentials that any party can extract from the extension bundle.