XSS + Vulnerability Exploitation & Website Hacking

DISCLAIMER: Following data/info/files are not owned/made/uploaded by latesttrickes On our last article about a lot of people asked about XSS(Cross-Site Scripting) .

Cross-site scripting (XSS) is a type of vulnerability commonly found in web applications. This vulnerability makes it possible for attackers to inject malicious code (e.g. JavaScript programs) into victim’s web browser.Using this malicious code, the attackers can steal the victim’s credentials, such as cookies. The access control policies (i.e., the same origin policy) employed by the browser to protect those credentials can be bypassed by exploiting the XSS vulnerability. Vulnerabilities of this kind can potentially lead to large-scale attacks.

To demonstrate what attackers can do by exploiting XSS vulnerabilities, we have set up a web-based message board using phpBB. We modified the software to introduce an XSS vulnerability in this message board; this vulnerability allows users to post any arbitrary message to the board, including JavaScript programs. Students need to exploit this vulnerability by posting some malicious messages to the message board; users who view these malicious messages will become victims. The attackers’ goal is to post forged messages for the victims.

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