Medium risk browser extensions
1,632 browser extensions our behavioural analysis rates medium risk, with the evidence behind each verdict.
Cashback Assistant
Opera Norway AS · Shopping
MediumCashback Assistant sends merchant-site visit events to Google Analytics with a persistent extension-generated client ID.
Chat AI - Chat GPT 5 on all sites
Chat AI
MediumChat AI opens a cleartext WebSocket that includes the signed-in Firebase user ID.
ChatGPT Prompt Assistant
joeyou30140
MediumChatGPT Prompt Assistant loads a Buy Me a Coffee image beacon on supported AI chat pages.
Cookie Editor
tmtk.apps
MediumCookie Editor lets a tumutuk.com paywall iframe enable an affiliate tag on Amazon product-page visits.
Cute Dogs Wallpaper
cute.dogs.wallpaper
MediumCute Dogs Wallpaper sends new-tab search queries to cute-dogs-wallpaper-com.s1search.co.
Docs Offline
Suijin
MediumDocs Offline sends pasted text, page details, quiz content, and page images from all sites to ClipKey servers.
GeoGuesser Hacker (GeoGuesser Hack / Cheat)
collin · Fun
MediumGeoGuesser Hacker can capture the active tab in Fast/Max mode and send the screenshot to its Firebase backend.
Goldfire Highlighting
Goldfire Engineering
MediumGoldfire Highlighting allows any web page to collect cookies for arbitrary domains and forward them to a native host application.
Google Maps Extended Routes
cardinalby · Travel
MediumGoogle Maps Extended Routes sends bookmark preview URLs to public CORS proxy services when direct fetching is blocked.
Google Search Console - Bulk URL Removal
lihster.developer
MediumGoogle Search Console - Bulk URL Removal sends license validation requests to LemonSqueezy with a packaged bearer token.
Google Sheets Dark Mode
Simple Dark Mode
MediumGoogle Sheets Dark Mode runs delayed remote Google search tasks and sends browsing activity to refresh.simpledarkmode.com.
Instant Multi Search
Jerome Dalbert · Tools
MediumInstant Multi Search sends omnibox searches to Google Suggest over unencrypted HTTP.
Intentional – Website Blocker & Focus App
Janez Cadez
MediumIntentional sends extension analytics and blocked-page events with a persistent ID to PostHog.
KiotViet
KiotViet · Communication
MediumKiotViet rewrites Facebook request headers and sends Messenger and GraphQL requests with scraped session tokens.
Learn Languages on YouTube & Netflix - zeroStudy
jameskool
MediumLearn Languages on YouTube & Netflix - zeroStudy sends watch-session details, an access token, and a bundled secret to Supabase.
Mailbutler
Mailbutler GmbH · Communication
MediumMailbutler for Gmail stores its API bearer token in Gmail page localStorage.
Music Downloader Premium
RunApps
MediumMusic Downloader Premium sends each browsed page URL with a persistent user ID to www.runapps.org.
MyWorlClock
Mobitech
MediumMyWorlClock sends new-tab search terms to clock.myworl-clock.com.
NIXZ Plugin: AI recruiting software
NIXZ
MediumNIXZ Plugin stores remembered NIXZ account passwords in Chrome sync storage after login.
Offer.love - Bank Merchant Card Offer Collector
Costbell · Shopping
MediumOffer.love uploads collected bank card-offer details to api.offer.love every six hours.
Page Analytics: on-page SEO insights from GA4
Roman Imankulov
MediumPage Analytics sends the current page URL to pageanalytics.io and writes click heatmap data into page-readable attributes.
PiHole Browser Extension
badsgahhl
MediumPiHole Browser Extension sends the Pi-hole API password to its default Pi-hole HTTP admin endpoint.
Post SMTP Notifications
MediumPost SMTP Notifications sends the signed-in user's Firebase UID over a cleartext WebSocket.
Revzap
Pedro Silva
MediumRevzap contacts ads-blank.com for remote rules that update request blocking and page CSS changes.
Savely - Price Comparison, Find Lower Prices
Savely · Shopping
MediumSavely sends visited domains and, when eligible, full page URLs with a persistent ID to savely-plugin.vercel.app.
Segsmart Web Plus
coderlicences
MediumSegsmart Web Plus rewrites WhatsApp Web's security policy and places login tokens in its uninstall URL.
Tab Merge
Nikolay Gechev · Education
MediumTab Merge sends all complete current-window tab URLs to the first tab's origin when you click its toolbar button.
Telegram Video Downloader
builderproduct
MediumTelegram Video Downloader sends Telegram chat names to Google Analytics when users download videos.
Telegram Video Downloader - download telegram video
tg-downloader · Tools
MediumTelegram Video Downloader sends signed-in profile details to the web page that opened its auth page.
Tetrycs
winsonwang03
MediumTetrycs loads remote analytics scripts and inserts remote advertisement HTML in its popup.
TikTok unban - ban pass
MediumTikTok unban - ban pass fetches remote rules that can rewrite visited tab URLs to server-supplied destinations.
Tiplino: Cashback és kedvezménykuponok
Tipli · Shopping
MediumTiplino reads selected page text chosen by remote rules and sends it to www.tiplino.hu.
Udio AI Music Generator
MediumUdio AI Music Generator reads your Chrome profile ID and sends it to livepolls.app for extension login.
UpAlerts: AI Cover Letters
Shajeel Afzal
MediumUpAlerts: AI Cover Letters exposes its account email to scripts on Upwork, Fiverr, and LinkedIn through a page event bridge.
Urban View
gnomiv1980
MediumWeb browser with anonymous access
officeonlinesystems
MediumWeb browser with anonymous access sends each non-OffiDocs tab URL to OffiDocs with a persistent local username.
World Weather
office@marketinyo.com · News & Weather
MediumWorld Weather redirects new-tab search queries to search.world-weather-extension.com with a fixed tracking ID.
Writer Watch
ReaderScout · Shopping
MediumWriter Watch embeds a WordPress API authorization key and sends user and book IDs to writerwatch.com.
iTour chat translation
iTourTranslator · Well-being
MediumiTour chat translation sends page text for translation to a cleartext HTTP endpoint.
leetcode cheatsheet
azl397985856
Mediumleetcode cheatsheet sends problem page HTML, URL, title, language, and editor code to RapidAPI when you click write solution.

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)
Byungwook Kang
MediumX-notifier uses plain HTTP for some optional forum and mail checker requests, including credentials or mailbox data.

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

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

PAYBACK Internet Assistent (PIA)
PAYBACK GmbH
MediumPAYBACK Internet Assistent includes PAYBACK API credentials and uses them for CAPI requests.
AdBlocker Diamond
adblockerdiamond
MediumAdBlocker Diamond can load server-selected scripts into matching web pages.
AdManage AdScan | Save Ads & Reveal Spend
AdScan
MediumSave Facebook Ads & Reveal Ad Spend - Adscan.ai reads and writes Facebook ad reach cache entries on Upstash.
AliExpress CSV Export
Mladen Markovic
MediumAliExpress CSV Export redirects AliExpress product and store clicks through clickwrap.xyz once per day.
AliSaving Plus - Aliexpress Product Image Downloader with Videos
Rovalty
MediumAliSaving Plus opens AliExpress product and store clicks through a hardcoded affiliate deep-link URL.
Amazon Vine Ultraviner
MediumAmazon Vine Ultraviner downloads code from ultraviner.com and registers it to run on Amazon Vine pages.
Architecture Tab
OZ
MediumArchitecture Tab sends new-tab search queries to srchingoz.com with affiliate parameters.
AutoGrok - Auto send Grok prompts and download images/videos
Autojourney
MediumAutoGrok sends the signed-in Grok account email to Google Analytics and uploads selected image-reference files to imgbb.
Automatic twitch translator
ultracodinghq
MediumAutomatic twitch translator sends Twitch chat text to translation providers and loads remote selector config.
BestStore Printer Launcher
Autel srl
MediumBestStore Printer Launcher exposes an unvalidated HTTP proxy via its external messaging API, reachable by any localhost page.
Bitcashback
bitCashback · Shopping
MediumBitcashback uploads stored popup interaction logs with active-tab domains and the logged-in email to bitcashback.net.
Brawl Stars Cursors
niceExtensions · Fun
MediumBrawl Stars Cursors redirects Google search pages to ugnewtab.net with the user's query.
Calligra online - office, graphics & email
officeonlinesystems
MediumCalligra online - office, graphics & email sends visited page URLs to OffiDocs with a persistent extension-generated username.
Cashback service Paidwork
Paidwork · Shopping
MediumCashback service Paidwork can send its stored Paidwork user ID to a page-controlled URL after a click.
Check US Visa Slots - AIS Visa Portal
Check US Visa Slots
MediumCheck US Visa Slots sends AIS appointment details and an appointment-form screenshot to app.checkvisaslots.com.
Chegg CourseHero Bartleby Skip Question
Alcazar
MediumCiteMaker CiteWeb | APA 6th Edn.
CiteMaker
MediumCiteMaker CiteWeb sends login credentials to citemaker.com using GET requests.