International Journal of Computer Applications
Web applications are most widely used technique for providing an access to online services. At the same time web applications are easiest way for vulnerable acts. When a security mechanism is failed then the user may download malicious code from a trusted web site. In this case, the malicious script is contracted to full access with all assets belonging to that legitimate web site. These types of attacks are called Cross-Site Scripting (XSS) attacks. Cross-Site Scripting (XSS) attacks are the most common type of attack against web application, which allows hackers to inject the malicious script code for stealing the user's confidential information.