What is the dynamic code evaluation attack, and how does it work? In PHP, there is a function eval(), which is used to evaluate a string. For example, <?php $to = 'Adam'; $from = 'Bob'; $string = 'Hi $to, it is $from here.' echo $string. “\n”; eval("\$string =...
What is the shell injection or command injection attack? Sometimes, a web application takes input from a user, executes corresponding commands on the server, and displays the output. A shell injection attack or command injection attack is an attack in which an...
What is the HTML injection attack? The HTML injection attack is an attack in which an attacker takes advantage of the security vulnerabilities of a web application and injects his own HTML content into the webpage. Thus, the attacker tricks a victim into providing...
What is the session fixation attack? When a user authenticates himself to a server, a session cookie is placed on his computer. For subsequent requests for the session, the information kept in the cookie is used. In the session fixation attack, an attacker exploits...
What is session hijacking in cyber security? When a user authenticates himself to a web server, the session is maintained with an HTTP cookie. The cookie is placed on the user's computer. Session hijacking is an attack in which an attacker exploits a valid session of...
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