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What attacks are possible with XSS?
Typical XSS attacks include session stealing, account takeover, MFA bypass, DOM node replacement or defacement (such as trojan login panels), attacks against the user’s browser such as malicious software downloads, key logging, and other client-side attacks.
Is JavaScript vulnerable to XSS?
This user input must then be parsed by the victim’s browser. XSS attacks are possible in VBScript, ActiveX, Flash, and even CSS. However, they are most common in JavaScript, primarily because JavaScript is fundamental to most browsing experiences.
Where does a XSS attack take place on a computer?
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. Flaws that allow these attacks to succeed are quite widespread and occur anywhere a web application uses input from a user within the output it generates without validating or encoding it.
What are different types of cross site scripting ( XSS ) attacks?
For more details on the different types of XSS flaws, see: Types of Cross-Site Scripting. See the OWASP Code Review Guide. See the latest OWASP Testing Guide article on how to test for the various kinds of XSS vulnerabilities. Cross-Site Scripting (XSS) attacks occur when:
What happens when you enter XSS code on a website?
This occurs when the malicious results are being returned after entering the malicious code. Reflected XSS code is not being saved permanently. In this case, the malicious code is being reflected in any website result. The attack code can be included in the faked URL or HTTP parameters.
Which is an example of a blind XSS attack?
An example of a Blind XSS attack is when an attacker injects malicious code into a customer feedback page of a web app. When the web application’s administrator opens the feedback dashboard, the malicious code will be executed. This can even be in a different application, such as an internal tool for managing user feedback.