How to analyze reflective XSS

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1 introduction of test environment

The test environment is the DVWA module in the OWASP environment

2 Test description

XSS, also known as CSS (CrossSite Script), is a cross-site scripting attack. It means that a malicious attacker inserts malicious html code into a Web page. When a user browses the page, the html code embedded in the Web will be executed, thus achieving the special purpose of maliciously attacking the user, such as obtaining the user's cookie, navigating to a malicious website, carrying attacks, and so on. This vulnerability allows an attacker to hijack the session of an authenticated user. After the authenticated session is hijacked, the virus initiator has all the permissions of the authorized user.

3 Test steps

Enter the javascrip script code in the input box:

Alert (/ xxshack/)

A dialog box pops up after clicking the submit button, indicating that the site did not filter the script, resulting in a cross-site vulnerability.

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