How To Perform An XSS Attack Using Kali Linux – Systran Box (2022)

TravisMarch 6, 2022Operating System 0

In this article, we will be discussing how to perform an XSS attack using Kali Linux. XSS attacks are a type of injection attack in which malicious scripts are injected into webpages. These scripts can be used to steal information from users or to hijack their sessions.
A successful XSS attack can be devastating to a website or application. It can allow an attacker to gain access to sensitive information, deface the site, or even take over the user’s session.
There are a few different ways to perform an XSS attack. We will be discussing two of the most common methods:
Method 1: Injecting malicious code into a web page
Method 2: Injecting malicious code into a web application
Method 1: Injecting malicious code into a web page
The first method is to inject malicious code into a web page. This can be done by adding the code to the page’s source code or by embedding it into an element on the page (such as an image or a script).
Once the code is injected, it will be executed when the page is loaded by the user’s browser. This can allow the attacker to steal information or hijack the user’s session.
Method 2: Injecting malicious code into a web application
The second method is to inject malicious code into a web application. This can be done by adding the code to the application’s codebase or by injecting it into the application’s database.
Once the code is injected, it will be executed when the application is used by the user. This can allow the attacker to gain access to sensitive information or to hijack the user’s session.
XSS attacks are a serious threat to websites and applications. They can be used to steal information or to take over user’s sessions. If you suspect that your site or application has been compromised, it is important to contact a security expert immediately.

It enables the automatic detection and exploitation of XSS vulnerabilities in web-based applications. XSS attacks can take many forms, including session stealing, account takeover, MFA bypasses, DOM node replacements, and defacements. Xss is also used to launch malicious software downloads on a user’s browser. With Xss Tool, web users can discover and exploit web vulnerabilities automatically. Many WAFs are out of control because of the library’s 1300 vulnerabilities. It injects malicious JavaScript into a vulnerable web page through a cross-site scripting injection.

How Are Xss Attacks Performed?

How To Perform An XSS Attack Using Kali Linux – Systran Box (1)Credit: YouTube

Cross-Site Scripting (XSS) attacks are sophisticated forms of injection attacks in which malicious scripts are injected into websites that are otherwise benign and trustworthy. XSS attacks occur when an attacker sends malicious code via a web application in the form of a browser-side script to a specific end user.

XSS filters, on the other hand, are not perfect, and more creative options may be available. An attacker, for example, could use a specially crafted link to inject a malicious script into a website. They can also embed the malicious script directly in the HTML document.
XSS that has been stored in the past is the more damaging. Malicious code is injected directly into a vulnerable web application as a result of this vulnerability. It is the act of putting a malicious script in a user’s browser that has been reflected by a web application.
When it scans user input data, XSS filters find and remove typical attack patterns used as XSS attack vectors. Regular expressions are used the most frequently to detect patterns.
It is an extremely serious vulnerability that can cause significant harm. When malicious code is injected directly into a vulnerable web application, it is vulnerable to the flaw. Because of this vulnerability, malicious code can be executed on the application’s server side, allowing users to view the code.
XSS filters are intended to detect and remove malicious scripts from user input. XSS filters, on the other hand, are not perfect and may be bypassed with more creative options.
Despite their flaws, XSS filters are an excellent tool for protecting against stored XSS attacks. Regular expressions can be used to detect common attack vectors, which reduces the likelihood of users being attacked by them.

What Is Cross-site Scripting Attack Examples?

A malicious script stored in the data sent to a website from a search or contact form can be used to conduct cross-site scripting attacks. A search form is an example of reflected cross-site scripting, in which visitors send their search query to the server and only they see the result.

What Is Xsser In Kali?

How To Perform An XSS Attack Using Kali Linux – Systran Box (2)Credit: www.freebuf.com

XSSer is a penetration testing tool that is used to find and exploit XSS vulnerabilities. It is a part of the Kali Linux distribution and is available in the repositories.

XSS risks are tracked, exploited, and reported in web-based applications. Attackers can take control of your application if untrusted JavaScript bits are injected into it without first obtaining authorization. XBS can build an online application that can protect the user’s information, exploit a vulnerability, and report it. According to a recent Google report, security flaws in XSS are estimated to be worth $10,000 or more. The vulnerability of cross-site scripting is available for free in Google’s web applications. People who test positive for XSS in the United States face a very serious charge. Security regulations for security are different in different states.

Preventing Cross-site Scripting Attacks

The injected code can be used to steal a victim’s confidential data, perform malicious command execution on the victim’s behalf, or send other malicious code to the attacker. The vulnerability of a website to cross-site scripting attacks is extremely serious.
Web applications should be protected against cross-site scripting attacks in a variety of ways. To combat malicious code before it reaches the browser, it is possible to use filters. It is also possible to limit who can access the application by utilizing proper authentication and authorization mechanisms.
It can be difficult to detect and even more difficult to prevent cross-site scripting attacks. Nonetheless, using a tool such as Cross-site can be beneficial. If you prefer, you can use the (Xss)er or the PwnXSS.

What Is Xss Linux?

How To Perform An XSS Attack Using Kali Linux – Systran Box (3)Credit: blogspot.com

There is no one answer to this question as it depends on what you are looking for when it comes to XSS Linux. However, in general, XSS Linux is a type of cross-site scripting attack that specifically targets Linux-based systems. This type of attack is typically carried out by embedding malicious code into a web page or email that is then executed by the victim’s browser when they visit the page or open the email. The code can be used to redirect the victim to a malicious site, steal sensitive information, or even execute commands on the victim’s system.

The Threat Of Xss Attacks

XSS attacks have been around since the early days of the World Wide Web, and despite the best efforts of developers and security professionals, they continue to pose a serious threat to websites.
There are several reasons for this. XSS attacks are relatively simple to carry out and are carried out in two ways. The second issue is that they can be difficult to detect and block. Finally, XSS vulnerabilities are frequently discovered in settings that are not intended for use, such as user input fields and links to websites.
XSS attacks continue to pose a significant threat to the security of the Internet. Users must take precautions to protect their personal information from XSS attacks, and developers should also be on the lookout for any vulnerabilities in their code.

What Is Xss Attack With Example?

Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser side script, to a different end user. Attacking users through web applications has become increasingly popular due to the widespread adoption of web-based technologies.
One example of an XSS attack is when an attacker injects malicious JavaScript code into a web page that is then executed by the browser of any user who visits that page. This code can be used to do anything that the attacker wants, such as stealing sensitive information or redirecting the user to a malicious website.

What Is Stored Xss Example?

A stored XSS is a type of XSS that stores malicious code on the application server. A message board or social media site can only use stored XSS if their application is designed to store user input.

What Is Xss Attack Type?

XSS is classified by several criteria. The XSS can be stored in the form of a single element or a pair of elements, both of which can be used concurrently. An attacker’s cross-site scripting (XSS) attack can have a variety of unintended consequences. It is frequently used by attackers to steal session cookies, which the attacker can use to impersonate the victim.

(Video) Installing OWASP ZAP on Kali Linux

FAQs

How are XSS attacks performed? ›

How does XSS work? Cross-site scripting works by manipulating a vulnerable web site so that it returns malicious JavaScript to users. When the malicious code executes inside a victim's browser, the attacker can fully compromise their interaction with the application.

What is XSS attack with example? ›

Examples of reflected cross-site scripting attacks include when an attacker stores malicious script in the data sent from a website's search or contact form. A typical example of reflected cross-site scripting is a search form, where visitors sends their search query to the server, and only they see the result.

What is the first step in XSS attack? ›

There are two stages to a typical XSS attack: To run malicious JavaScript code in a victim's browser, an attacker must first find a way to inject malicious code (payload) into a web page that the victim visits. After that, the victim must visit the web page with the malicious code.

Can XSS happen in JSON? ›

XSS occurs when a user-manipulatable value is displayed on a web page without escaping it, allowing someone to inject Javascript or HTML into the page. Calls to Hash#to_json can be used to trigger XSS.

Where can I practice XSS? ›

Test Your XSS Skills Using Vulnerable Sites
  • #1: Google XSS Game. ...
  • #2: alert(1) to win. ...
  • #3: prompt(1) to win. ...
  • #4: XSS Challenges by yamagata21. ...
  • #5: XSS Challenges by nopernik. ...
  • #6: XSS Polyglot Challenge. ...
  • #7: Vulnweb by Acunetix. ...
  • #8: OWASP WebGoat Project.
18 Jun 2019

Why do hackers use XSS? ›

Because XSS can allow untrusted users to execute code in the browser of trusted users and access some types of data, such as session cookies, an XSS vulnerability may allow an attacker to take data from users and dynamically include it in web pages and take control of a site or an application if an administrative or a ...

What is XSS Linux? ›

Cross Site “Scripter” (aka XSSer) is an automatic -framework- to detect, exploit and report XSS vulnerabilities in web-based applications. It contains several options to try to bypass certain filters, and various special techniques of code injection. Installed size: 23.98 MB.

Is XSS illegal? ›

If the user is tricked to run the code after "website.com/" the cookies of its authenticated #session of website.com will be sent to the attacker. Usage of Self-XSS for attacking targets without prior mutual consent is illegal. It's the end user's responsibility to obey all applicable local, state, and federal laws.

Is XSS a DDoS attack? ›

Persistent XSS Enables Large-Scale DDoS Attack

As a result, every time the image was used on one of the the site's pages (e.g., in the comment section), the malicious code was also embedded inside, waiting to be executed by every future visitor to that page.

Is XSS easy to learn? ›

Let's start with the basics. XSS is a really easy attack to start testing and seeing if you can execute malicious code. To get started, find some possible injection points in your targets and start with some simple basic payloads and see how the page reacts and then try to break it.

What is XSS tool? ›

Cross site scripting (XSS) is an attack in which an attacker injects malicious executable scripts into the code of a trusted application or website. Attackers often initiate an XSS attack by sending a malicious link to a user and enticing the user to click it.

Is XSS always JavaScript? ›

Not true. XSS is not only about javascript.

Can XSS steal cookies? ›

Cookie Theft

This generally happens when the site has a vulnerability and the attacker uses something known as cross-site scripting (XSS) to exploit that vulnerability.

Can XSS capture keystrokes? ›

XSS Attack 4: Capture the keystrokes by injecting a keylogger. In this attack scenario, we will inject a JavaScript keylogger into the vulnerable web page and we will capture all the keystrokes of the user within the current page.

What is universal XSS? ›

In a Universal Cross-Site Scripting (UXSS, or Universal XSS) attack, vulnerabilities in the browser itself or in the browser plugins are exploited (rather than vulnerabilities in other websites, as is the case with XSS attacks).

What can you steal with XSS? ›

Stealing cookies is a traditional way to exploit XSS. Most web applications use cookies for session handling. You can exploit cross-site scripting vulnerabilities to send the victim's cookies to your own domain, then manually inject the cookies into the browser and impersonate the victim.

What can be stolen with XSS? ›

XSS attacks could result in session hijacking, stolen tokens, stolen session cookies and cross-site request forgery attacks. These attacks can lead to user accounts being compromised. A successful XSS attack can also enable an attacker to use stolen or forged cookies to impersonate valid users.

Is XSS a virus? ›

An XSS worm, sometimes referred to as a cross site scripting virus, is a malicious (or sometimes non-malicious) payload, usually written in JavaScript, that breaches browser security to propagate among visitors of a website in the attempt to progressively infect other visitors.

What language is XSS? ›

Cross-site scripting (XSS) is a type of attack on websites where the attacker can make the attacked website deliver JavaScript to the user. This malicious JavaScript is then executed on the users' machine.

Is XSS client or server side? ›

Vulnerabilities that Lead to Client-Side Attacks

The examples used in the previous section, XSS, are a type of client-side and server-side attack that has been around for a long time that has evolved and changed over the years thwarting several attempts to stop them from occurring.

Is XSS safe? ›

The malicious script might access users' sensitive information, steal cookies, or hijack a user's session. XSS is one of the most common vulnerabilities in applications. It can cause serious damage to users and organizations.

Why Kali Linux is not illegal? ›

Kali Linux Is Legal

However, if you are using it for illicit purposes, it is illegal because there is an enormous difference between white-hat hacking and black-hat hacking. Kali Linux is available under the GNU Public License, which means anyone can use it on their devices for free.

Is Google vulnerable to XSS? ›

A pair of vulnerabilities in Google Cloud, DevSite, and Google Play could have allowed attackers to achieve cross-site scripting (XSS) attacks, opening the door to account hijacks.

Is Gmail vulnerable to XSS? ›

Google recently fixed an XSS vulnerability in Gmail. The vulnerability was in AMP4Email, which is designed to enable dynamic content in the email. The most recognizable form of this in Gmail is the ability to send an RSVP to a meeting request directly within an email in Gmail.

Which is the most common type of XSS attack? ›

Non-persistent (reflected) XSS is the most common type of cross-site scripting. In this type of attack, the injected malicious script is "reflected" off the web server as a response that includes some or all of the input sent to the server as part of the request.

Is XSS and HTML injection the same? ›

HTML injection attack is closely related to Cross-site Scripting (XSS). HTML injection uses HTML to deface the page. XSS, as the name implies, injects JavaScript into the page. Both attacks exploit insufficient validation of user input.

What is HTML and XSS? ›

HTML (the Hypertext Markup Language) and CSS (Cascading Style Sheets) are two of the core technologies for building Web pages. HTML provides the structure of the page, CSS the (visual and aural) layout, for a variety of devices.

Are XSS attacks common? ›

Cross-site scripting (often shortened to XSS) is a common security vulnerability that is more prevalent in web applications. It's estimated that more than 60% of web applications are susceptible to XSS attacks, which eventually account for more than 30% of all web application attacks.

What is the difference between CSRF and XSS? ›

What is the difference between XSS and CSRF? Cross-site scripting (or XSS) allows an attacker to execute arbitrary JavaScript within the browser of a victim user. Cross-site request forgery (or CSRF) allows an attacker to induce a victim user to perform actions that they do not intend to.

Is self XSS a vulnerability? ›

Definition : Self Cross site scripting(XSS) is a vulnerability in web applications which gives the ability of executing JS as the same user and not to other users.

How serious is XSS? ›

Why Is XSS Dangerous? With XSS, cybercriminals can turn trusted websites into malicious ones, thus causing inordinate harm and damage not only to the victims but also to the reputation of the trusted website's owner. Websites that are compromised by XSS can cause any number of threats to attack a user's system.

What damage can XSS cause? ›

XSS can cause a variety of problems for the end user that range in severity from an annoyance to complete account compromise. The most severe XSS attacks involve disclosure of the user's session cookie, allowing an attacker to hijack the user's session and take over the account.

Does Chrome protect from XSS? ›

The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks.

Does XSS steal data? ›

A cross-site scripting attack is mostly executed to steal cookies, hijack users' sessions, and compromise accounts. Threat actors can then impersonate you, exploit your data, and even access your device's geolocation, microphone, webcam, files, etc. An XSS attack isn't just an end user threat, though.

Can XSS inject a keylogger? ›

#4: Keylogger

You can capture a website user's keystrokes by injecting a JavaScript keylogger through a Cross-Site Scripting (XSS) vulnerability.

How do hackers record your keystrokes? ›

They are the most common method hackers use to access a user's keystrokes. A software keylogger is put on a computer when the user downloads an infected application. Once installed, the keylogger monitors the keystrokes on the operating system you are using, checking the paths each keystroke goes through.

How often do XSS attacks occur? ›

Cross-site scripting (often shortened to XSS) is a common security vulnerability that is more prevalent in web applications. It's estimated that more than 60% of web applications are susceptible to XSS attacks, which eventually account for more than 30% of all web application attacks.

How does Stored XSS work? ›

Stored XSS, also known as persistent XSS, is the more damaging of the two. It occurs when a malicious script is injected directly into a vulnerable web application. Reflected XSS involves the reflecting of a malicious script off of a web application, onto a user's browser.

Is XSS still used? ›

This now-patched bug left 60,000 websites open to malicious code injection. As you can see, XSS attacks are still a major concern for organizations and individuals alike, so let's explore how they work and best practices for addressing them.

Is XSS client or server side? ›

Vulnerabilities that Lead to Client-Side Attacks

The examples used in the previous section, XSS, are a type of client-side and server-side attack that has been around for a long time that has evolved and changed over the years thwarting several attempts to stop them from occurring.

What can Attackers do with XSS? ›

Depending on the functionality and data processed by the vulnerable application, XSS vulnerabilities can pose a significant risk to the business. Attackers could steal confidential information, perform unauthorized activities, and take over the entire web sessions of the victim users.

Is XSS illegal? ›

If the user is tricked to run the code after "website.com/" the cookies of its authenticated #session of website.com will be sent to the attacker. Usage of Self-XSS for attacking targets without prior mutual consent is illegal. It's the end user's responsibility to obey all applicable local, state, and federal laws.

Can XSS steal cookies? ›

Cookie Theft

This generally happens when the site has a vulnerability and the attacker uses something known as cross-site scripting (XSS) to exploit that vulnerability.

Can XSS be detected? ›

The AcuMonitor service allows you to detect blind XSS vulnerabilities as described below: User registers to the AcuMonitor service by providing an email address for notifications. Acunetix injects various script payloads into the tested web application (into GET/POST variables, HTTP headers, cookies, URLs, etc.)

What is XSS Linux? ›

Cross Site “Scripter” (aka XSSer) is an automatic -framework- to detect, exploit and report XSS vulnerabilities in web-based applications. It contains several options to try to bypass certain filters, and various special techniques of code injection. Installed size: 23.98 MB.

What is an XSS file? ›

Style sheet file created in UIX Styles' XML Style Sheet (XSS) language, which is based on the CSS standard, except that styles are specified in an XML format; contains layout properties for a document; used for defining the appearance of Web application pages.

What are the two types of cross site attacks? ›

Types of XSS attacks

XSS attacks can be generally categorized into two main types: non-persistent (reflected) and persistent (stored).

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