Javascript Codes

XSS stands for cross-site scripting, which is a form of web-based exploitation that uses client-side vulnerabilities in a web page to execute malicious JavaScript codes. JavaScript is referred to as "cross-site" because it usually involves an external website containing the ma ...more

YouTube's main player interface got a pretty big makeover recently, but chances are, the new UI hasn't made it your way just yet. Google has a habit of slowly testing the waters as they roll out new features, so cool tweaks like this can take some time to reach all users. But ...more

Injection is an attack vector that involves breaking out of a data context and switching into a programming context through the use of special characters. These characters are significant to the interpreter being used, but not needed for the general user input being asked for. ...more

Spam is everywhere and Facebook is no exception. In fact, spammers are constantly stepping up their game by tricking unsuspecting Facebook users to participate in quizzes, games, apps, or "new features" that are actually dangerous computer viruses, spyware, or other trojan hor ...more

Welcome to another Community Byte announcement from Null Byte! The goal of the Community Bytes is to teach people in a co-operative, hands-on manner. Learning from experience and immersing yourself in a subject is the best way to learn something foreign to you, so that is exac ...more

Like the recent XSS 0day exploit found in the Mac and Windows versions of Skype, a similar one has been found in the Skype app for iPhone. The vulnerability allows an attacker to send a message that contains malicious JavaScript code in the "Name" parameter. This code can stea ...more

Christian Cantrell, Adobe's Air Product Manager and Evangelist, has released a video to demo websites that take advantage of the motion sensors in a mobile phone, tablet, or laptop via JavaScript. Now, let's take a look through the code and break down the core pieces that you' ...more

Null Byte is looking for forum moderators! Welcome to the ninth Community Byte for coding in Python and completing the challenges presented to us by HackThisSite. These sessions are created to bring our community together, to learn from each other, and grow together. Everyone ...more

Another Community Byte announcement from Null Byte! The Community Byte projects serve to teach people in a co-operative, hands-on manner. Learning from experience and immersing yourself in a subject is the best way to learn something foreign to you. In our sessions, we have st ...more

Welcome to the Goodnight Byte for HackThisSite, Basic Mission 4. In Friday's session, we tackled some coding in Gobby. Nothing special, just a few modifications to the NullBot script we made a few session ago, and some education on regular expressions. Apart from coding, we di ...more

JavaScript is the language of the internet. It is what allows us to create dynamic, interesting webpages that are fast, web-based applications and so much more. The primary use of JavaScript is to write functions that are embedded in or included from HTML pages and that intera ...more

Thanks to Yifan Lu, it's been discovered that the operating system running on the Kindle Touch is written mostly in HTML5 and JavaScript, unlike the previous models which used Java. This is exciting, because when a device is hacked or rooted, that means homebrew programs can b ...more

INTRODUCTION In this world of Internet era, almost everyone wants to create theirs own web presence by either hosting their own blog, articles, photos, videos, reviews, etc etc . But some people choose their own way and decide to have something bigger! What is it? Its a websi ...more

Last Friday's mission was to accomplish solving HackThisSite, basic mission 10. This mission teaches us how to use JavaScript to manipulate cookies on poorly coded cookie-based authorization. These missions are for everyone here, and you can join at any time. Your experience ...more

Get the New Google Navigation Menu Although Google introduced the new Google bar last week, I still didn't have the new look yet. I was curious to see if I could find it, and discovered that +Maximiliam Majewski found a workaround to get access to the new Google bar. It's no ...more

Shortening URLs has become a necessity in this age of Twitter and limited-character status updates. It not only allows us to cram more words into our oh-so-important Twitter statuses, but it also helps us with a few other things. Some Benefits of URL Shorteners We can create ...more

Welcome to the fifth Community Byte for coding in Python and beating the challenges given to us from HackThisSite. These sessions are created to bring our community together, to learn from each other, and essentially grow together. Everyone is welcome, from novice programmers ...more

Cross-Site Request Forgery (CSRF, pronounce "sea-surf") is a common web exploit. However, for unknown reasons it's not used very often. It plays on a given website's trust in a web browser by executing another website's form action, for example, sending money to another person ...more

Facebook Fan Pages have become extremely popular and are being used by everyone from large companies like Coca Cola and Ford Motors all the way down to people's pets. So how do we make the most of these fan pages and get our brand out the best that we can? Custom Landing Page ...more

Here's another delicious Byte. Ucha Gobejishvili, a Georgian Security Researcher under the handle of longrifle0x, discovered two cross site scripting (XSS) vulnerabilities on the official website of Forbes. He discovered the hole in two different locations on the site, and has ...more

Welcome to another Community Byte announcement! For the past few Community Bytes, we coded an IRC bot, and hacked it. Then, we created a web-based login bruteforcer! This week we are going to start something a bit different. We are going to start going through the missions at ...more

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

JavaScript is one of the main programming languages that the Web is built on. It talks directly to your browser and exchanges information with it in ways that HTML simply cannot. With JavaScript, you are able to access browser cookies, website preferences, real-time actions, s ...more

How is it that we use Firefox tremendously and yet not care for its needs? You might have noticed Firefox sometimes tends to slow and not respond often. You might have installed countless add-on in Firefox to enhance your using experience, to get the most out of your Firefox u ...more

How To Start To start developing website is a hard way to tell people depending on what they are best at. I'd like to describe a few of 'em. I will call them a few names depending on what effect comes out of 'em. And I will describe what developing languages there are out the ...more

The pictures we upload online are something we tend to think of as self-expression, but these very images can carry code to steal our passwords and data. Profile pictures, avatars, and image galleries are used all over the internet. While all images carry digital picture data ...more

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly d ...more

Cross-site scripting can be one of the easiest vulnerabilities to discover, but to be successful with this type of attack, it is essential to learn how to get past filters. In the previous guide, we explored some ways to do this, such as abusing attributes and event handlers a ...more

One of the hardest parts of entering the IT and computer science field — other than the difficult material and intense competition — is the time and financial cost of learning everything you'll need. Learning to code isn't just learning one language; you have to learn a variet ...more

JavaScript is one of the most common languages used on the web. It can automate and animate website components, manage website content, and carry out many other useful functions from within a webpage. The scripting language also has many functions which can be used for malicio ...more

hello hackers,newbies and followers of this great community, after some research here in our community, I noticed that there is not even one tutorial that teach Web Development. We have a lot of tutorials on how to hack web site but many do not know exactly how a web site is c ...more

Learning to code is difficult, particularly if you're doing it alone. While coding may be among the most valued job skills in many markets, the education is sometimes inaccessible. However, the Introduction to Coding with HTML, CSS & JavaScript course provides five hours of i ...more

Whether you're looking to add a substantial coding foundation to your hacking skill set or want to get a job in programming and development, knowing one or two programming languages just isn't going to cut it. If you're a regular Null Byte reader, you know that a lot of the h ...more

There is no shortage of defenses against cross-site scripting (XSS) since it is so prevalent on the web today. Filters are one of the most common implementations used to prevent this type of attack, usually configured as a blacklist of known bad expressions or based on regex e ...more

Being stuck inside for the near future is less than ideal, but at least you have the world of eLearning to sharpen your skills while you kick back on your couch. Case in point, The 2020 Premium Learn To Code Certification Bundle has all the training you need to start coding li ...more

This is a followup from my recent series on XSS exploitation, giving a few extra attacks/tricks to try. Google's Prank Google developed a JavaScript code (available here) that you can customize. Basically, it makes all the elements on the page swirl around, fade out to white ...more

Last night, I was reading a riveting National Geographic article on the green-eyed tree frog, until I was quickly interrupted by an annoying popup asking me to "create a free account" or "sign in." Really, I'd like to do neither. I just want to read about tree frogs. This popu ...more

Coinhive, a JavaScript cryptocurrency miner, was reportedly discovered on the BlackBerry Mobile website. It was placed there by hackers who exploited a vulnerability in the site's e-commerce software that allowed them to anonymously mine cryptocurrency every time the website w ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more