Understanding DOM Based XSS in DVWA (Bypass All Security)

This article is written to bring awareness among all security researchers and developers so that they may be able to learn the level of damage cause by XSS attack if the web server is suffering from cross site scripting vulnerability.

DOM Based XSS (TYPE 0)

 The DOM-Based Cross-Site Scripting is vulnerability which appears in document object model instead of html page. An attacker is not allowed to execute malicious script on the user’s website although on his local machine in URL, it is quite different from reflected and XSS because in this attack developer cannot able to find malicious script in HTML source code as well as in HTML response, it can be observed at execution time.

This can make it stealthier than other attacks and WAFs or other protections which are reading the page body does not see any malicious content.

 Let’s start!!!

Target: DVWA

 Low security

For this tutorial I had targeted DVWA and explore localhost IP in browser; now login with admin: password into web application and Set security level low.

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