Medium risk browser extensions
1,967 browser extensions our behavioural analysis rates medium risk, with the evidence behind each verdict.
Greenhub Free VPN - Secure and Unblock VPN
GreenTech Lab · Privacy & Security
MediumGreenhub Free VPN can install a PAC proxy that routes ad and tracker domains through Greenhub-controlled proxies.
Grok AI
Workflow & Planning
MediumHBO Max HQ: change video quality [QVI]
TheBestChromeExtensions
MediumHBO Max HQ collects viewing history, account PII, and subscription data and transmits them to third-party servers under remote command.
HBOmax Skipper: skip ads and intros
TheBestChromeExtensions
MediumHBOmax Skipper sends account-linked Max profiles, viewing history, and live-event telemetry to external servers.
Hide Google AI Overviews
Appvector · Tools
MediumHomer (formerly KoalaData) – Property Search Extension
Shopping
MediumHomer sends real-estate listing pages, search URLs, listing IDs, and page-view analytics to its APIs.
Hustle
hustletab.io · Workflow & Planning
MediumHustle sends each keystroke typed into its new-tab search box to hustletab.io for autocomplete suggestions.
IGFollowExporter - Export Instagram Followers
EchoWebBot Team · Workflow & Planning
MediumIGFollowExporter sends Instagram profile links and user IDs to Cloudflare Worker endpoints during exports.
Inline Lingo Translator
Freddi Richardson
MediumInline Lingo Translator removes browser security headers from Google Translate subframe requests and responses.
Jabra Device Connector (Browser Extension)
Jabra Developer Zone
MediumJabra Device Connector exposes a native messaging bridge to the Jabra SDK app that any web page can invoke without origin restrictions.
Jenni
marc · Education
MediumKimi Copilot - 网页总结助手
wong2
MediumKimi Copilot sends the URL of each page summarized by the user to PostHog's analytics service alongside a persistent anonymous ID.
Klarway
Klarway · Education
MediumKlarway continuously captures screen video, webcam footage, and audio during exams and transmits them to its backend, while broadcasting session credentials to all page scripts.
Lazy Scholar
Colby Vorland
MediumLazy Scholar sends scholarly article details, page URLs, tab metadata, and a stored user ID to an AWS API.
Leetify for Codeforces
MediumLeetify for Codeforces accepts a login session token from any page loaded on localhost:3000, not just its own site.
Linkclump Pro
Peter77
MediumLinkclump Pro lets webpages synthesize its mouse and key shortcuts to open tabs, windows, bookmarks, or copied links.
Madomi - Manga Translator
Pawaka Labs · Tools
MediumMadomi - Manga Translator sends page text, image URLs, and image data to borang.skrin.xyz for translation and summarization.
Magnifying Glass for Google Chrome™
Thomas David
MediumMagnifying Glass for Google Chrome places a screenshot of the current tab into the page DOM after you click it.
Majestic Mountain Views
Syndic8
MediumMajestic Mountain Views sets an unbranded third-party site as your browser's default search engine and routes every search through it.
MinionLab
MinionLab
MediumNavigate Rewards
Navigate
MediumNavigate Rewards scrapes order history from Amazon, eBay, Etsy, and other shopping sites, and Reddit content, then forwards it to prod.socialsurfer.xyz.
Net-Pocket: Automatyczna porównywarka cen
Net-Pocket
MediumNet-Pocket reads product details from shopping pages using remote selectors and sends them to api.net-pocket.com.
netflix-%E5%90%8C%E6%99%82%E5%AD%97%E5%B9%95%E3%81%A7%E8%8B%B1%E8%AA%9E%E5%AD%A6%E7%BF%92
niko · Education
MediumNetflix 同時字幕で英語学習 stores a Google Sign-In ID token in Netflix page localStorage.
Omni - Bookmark, History, & Tab Manager
Alyssa X · Workflow & Planning
MediumOmni renders tab, bookmark, and history details into every page's DOM when its command menu is used.
OneScholar
SCI Great
MediumOneScholar writes saved settings, including API keys, into page-accessible storage and form fields during backup/export.
Online Dictionary Helper
Huang Zhenyu
MediumOnline Dictionary Helper fetches selected dictionary scripts from GitHub or custom URLs and runs them in its sandbox.
Online Safety
James Hill
MediumOnline Weather Forecast
Online Weather Forecast
MediumOnline Weather Forecast sends typed new-tab search queries to transitschedules.net before search submission.
Open in IE
rynu.smith
MediumOpen in IE downloads a native client binary from GitHub without checksum or signature verification.
OpenOffice Calc
officeonlinesystems · Workflow & Planning
MediumPDF Guru
dmytro.kanievskyi
MediumPDF Manuals
PDF Manuals
MediumPDF Manuals routes address-bar searches to pdfmanuals.net and maintains a five-year UID cookie for that site.
PDF Translator - Translate PDF online
livepolls.app · Workflow & Planning
MediumPDF Translator ships recoverable Alibaba OSS access key material in its popup source.
Page Sidebar
Stefan vd · Functionality
MediumPage Sidebar strips X-Frame-Options and CSP headers globally and grants camera, microphone, geolocation, and clipboard to any framed page.
PageTurn EPUB Reader
PageTurn Book Reader · Entertainment
MediumPageTurn EPUB Reader runs scripts embedded in user-opened EPUB files inside its reader iframe.
Paint Tool by Painty
Painty Web Paint · Workflow & Planning
MediumPaint Tool by Painty sends top-site hostnames for favicon lookup and typed search text for autocomplete.
Ping Network VPN
Ping Network
MediumPing Network VPN computes a browser/device fingerprint in the popup and sends its components to pingvpn.xyz.
Places Near Me
Places Near Me
MediumPoshmark | PosherVA
https://posherva.com
MediumPoshmark | PosherVA can send Poshmark session cookies to PosherVA-controlled Firebase storage on remote command.
Prime Sender - Free WhatsApp Web Message Sender
Averion · Communication
MediumPrime Sender sends WhatsApp account details and Chrome profile email to vendor and analytics endpoints.
Pure Planet Earth
wardj4786
MediumPure Planet Earth sets itself as your default search engine and stamps every search you make with a persistent tracking ID.
Quick Spotify Search: Instant Music & Podcast Finder
AdBhuT Extensions
MediumQuick Spotify Search sends address-bar searches to chromecrxstore.com while labeling the provider Google.
rys-%E2%80%94-remove-youtube-sugg
Lawrence Hook · Workflow & Planning
MediumRYS exposes the MD5 hash of its settings-lock password to YouTube pages as a DOM attribute.
Recipe Search
recipessearchnow
MediumRecipe Search tags default-search queries with a persistent extension GUID and campaign type before redirecting them.
Recipes
Recipes · Well-being
MediumRiteTag
RiteKit · Social & Communication
MediumRocket Sender - Bulk WA Messages & Automation
rocket-sender
MediumRocket Sender automates WhatsApp messaging and decides where to activate from a class-name list fetched from its remote config server.
Screen Dimmer
screendimmer.ext · Workflow & Planning
MediumScreen Dimmer loads a hidden onlineapp.pro paywall iframe on every page you visit.
Search All
Screen Recorder
MediumSearch All routes Amazon and eBay searches through affiliate links and injects a promotional iframe into Google results.
SearchBlox
SearchBlox · Tools
MediumSelf Control -- Block sites and stay focused
nhandyal
MediumSellerApp Chrome Extension
sellerapp-dev · Workflow & Planning
MediumShip Xanh copy sản phẩm, nhân bản shop, hiển thị % phí sàn, lượt bán tháng
shipxanh.com
MediumShip Xanh accepts localhost messages that can replace its stored account token.
Side Panel for Gemini
orliesaurus
MediumSide Panel for Gemini removes security headers from every page in the browser and sets Access-Control-Allow-Origin to wildcard on install.
SignUp - Sign Language for Netflix & Disney+
MediumSignUp sends streaming page URLs and titles with a persistent analytics ID to its backend and Google Analytics.
Similarweb Sales
Sales Extension
MediumVideo Download Helper
https://weibomiaopai.com/download-video-parser.php
MediumSimple Video Download Helper sends the current page URL and user API key to a third-party server when the popup is opened.
Skip AliExpress Bundle Deals: Just This One!
johnnyaug
MediumSkip AliExpress Bundle Deals: Just This One! sends AliExpress product URLs and shipping country to a developer Worker.
Sticky Note Board Extension
Monetize Engine
MediumSticky Note Board Extension redirects new-tab search queries to search.notesticky-extension.com with an affiliate tracking ID.
TOTP Authenticator
binaryboot
MediumTOTP Authenticator reads Firebase account data and decrypts it with a key derived only from the user's email address.