How safe is Greasemonkey?


When used with discretion, Greasemonkey should be perfectly safe to install and use.

for instance, What is TamperMonkey used for?

Tampermonkey is a donationware userscript manager that is available as a browser extension. This software enables the user to add and use userscripts, which are JavaScript programs that can be used to modify web pages.

significantly, How do I write a Greasemonkey script?

In your Firefox window, once you’ve downloaded and installed Greasemonkey, there’ll be a little monkey face in the right-hand corner of the status bar. Right-click on that and you’ll get a menu that includes the option « New User Script« . Click that and you’ll get a dialog looking a bit like the box on the right.

also What language is Greasemonkey?


Original author(s) Aaron Boodman
Written in
JavaScript, XUL, CSS
Operating system Cross-platform
Available in English
Type Mozilla extension

What is the safest browser to use?
Secure Browsers

  • Firefox. Firefox is a robust browser when it comes to both privacy and security. …
  • Google Chrome. Google Chrome is a very intuitive internet browser. …
  • Chromium. Google Chromium is the open-source version of Google Chrome for people who want more control over their browser. …
  • Brave. …
  • Tor.

Can Chrome extensions steal passwords?

The official extension for that service has been compromised. It has been replaced with a malware version that has the capability to steal user login data for a number of popular websites, including Github, Google, Amazon, Microsoft and more.

How do I remove a virus from Chrome?

You can also check for malware manually.

  1. Open Chrome.
  2. At the top right, click More. Settings.
  3. At the bottom, click Advanced.
  4. Under “Reset and clean up,” click Clean up computer.
  5. Click Find.
  6. If you’re asked to remove unwanted software, click Remove. You may be asked to reboot your computer.

What is unsafeWindow?

unsafeWindow bypasses Greasemonkey’s security model, which exists to make sure that malicious web pages cannot alter objects in such a way as to make user scripts (which execute with more privileges than ordinary JavaScript running in a web page) do things that their authors or users did not intend.

How do I use Tampermonkey?


  1. Install Tampermonkey.
  2. Select a script in this repo that you wish to use. …
  3. Copy the source.
  4. Open Tampermonkey in your browser and click the Add Script tab (icon with a plus symbol)
  5. Paste the source into the script window and hit save.
  6. Voila!

How do you write Userscript?

From the userscript manager dashboard, click on the + button to create a new userscript.

  1. Change the name, description and the match pattern to target a specific web page. Replace // Your code here… …
  2. Now navigate to your target website or refresh it if it’s already open. …
  3. That’s it!

What is Violentmonkey extension?

Extension Metadata

Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support. It supports most scripts for Greasemonkey and Tampermonkey. Features: – Update automatically according to the meta data.

What is greasy monkey?

Grease monkey, a slang term for a mechanic. … Grease monkey, a slang term for a slightly built burglar with entry skills. Grease monkey, a term for a competition similar to a Pig wrestling competition, but using a lubricated monkey.

Why you should not use Chrome?

Chrome’s hefty data collection practices are another reason to ditch the browser. According to Apple’s iOS privacy labels, Google’s Chrome app can collect data including your location, search and browsing history, user identifiers and product interaction data for “personalisation” purposes.

What are the disadvantages of Google Chrome?


Disadvantages of Google Chrome

  • 2.1. Confusing with Chromium. Chrome is basically an open source browser based on Google’s Chromium project. …
  • 2.2. Privacy Concerns with Google Tracking. …
  • 2.3. High Memory and CPU Usage. …
  • 2.4. Changing Default Browser. …
  • 2.5. Limited Customization and Options.

Do I need both Chrome and Google?

Chrome just happens to be the stock browser for Android devices. In short, just leave things as they are, unless you like to experiment and are prepared for things to go wrong! You can search from Chrome browser so, in theory, you don’t need a separate app for Google Search.

Is it safe to add Guardio to Chrome?

Yes! Guardio has a dedicated security team that continuously searches for new scams and weaknesses make the internet a safer place. Not only do we protect our own members, but we recently discovered a vulnerability in Evernote’s Chrome extension that saved millions of peoples’ information from being leaked.

How do I know if Chrome extension is safe?

How To Know If Your Chrome Extensions Are Safe

  1. How to know if a browser extension is safe.
  2. Step 1: Add Chrome Extension Source Viewer to Chrome.
  3. Step 2: Go to a suspected extension’s Chrome Web Store page, then click on the “CRX” button on the top right side of the screen. …
  4. Step 3: Click on “View Source”.

Can Chrome extensions steal cookies?

A malicious extension could steal cookies from sites the user visits. The API also exposes HttpOnly cookie data to the extension. However, it is already possible to obtain cookies and to generate HTTP requests from a Chrome extension by using content scripts, so these new APIs don’t expose any new vulnerabilities.

Can Chrome get a virus?

Although it’s certainly true that viruses—the class of malware that spreads itself by injecting malicious code into other processes—really don’t exist to a significant degree these days, even on Windows, it’s definitely not true that any platform is impervious to malware. Chromebooks are no exception.

How do I scan Chrome for malware?

How to run a virus scan on Google chrome

  1. Open Google Chrome;
  2. Click the three dots in the top-right corner and choose Settings;
  3. Scroll to the bottom and click Advanced;
  4. Scroll further down and pick Clean up computer;
  5. Click Find. …
  6. Wait for Google to report whether any threats were found.

Is Google Chrome safe from viruses?

Is Chrome OS Vulnerable to Anything? Viruses are just one type of malware, though. Chrome OS is vulnerable to others, like malicious extensions, bad Android apps, and phishing sites. You can also put your system at risk if you choose to run an extension “unsandboxed.”

What is Grant in Tampermonkey?

From GreaseSpot Wiki. The @grant Metadata Block imperative controls which special APIs (if any) your script uses. If no value is specified, none will be used by default. If any value or values are specified, only those API methods will be provided.

What is Gm_getvalue?

Description. This API method retrieves a value that was set with GM_setValue from persistent storage. If nothing was set and a default value is passed, it returns that default. Failing that, it returns undefined . Currently values are retrieved from a SQLite database located in the Scripts directory.

What is Tampermonkey namespace?

Nampsaces are used to uniquely identify scripts for any script-specific stored preferences. For example, if you have a script like this: // ==UserScript== // @name Script Name // @namespace // @include * // ==/UserScript== GM_setValue(« key », « value »);


Source link