XSS Vulnerability can result in a hacked website. Two vulnerabilities have been identified in Ruby on Rails, which could be exploited by attackers and hackers to disclose sensitive information and threat to websites. The first issue is caused by input validation errors when processing unicode characters, which could be exploited by hackers to cause arbitrary scripting code to be executed by the user's browser in the security context of an affected site.

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Some basics and essentials of CGI which you must know before writing your first CGI code or your CGI scripts won't work.

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Lets discuss deeply variables in CGI, standards of CGI and strict syntax of CGI scripts.

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Ajax, or AJAX, is a web development technique used for creating interactive web applications. The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes, so that the entire web page does not have to be reloaded each time the user requests a change. This is intended to increase the web page's interactivity, speed, functionality, and usability.

The name is an acronym standing for Asynchronous JavaScript and XML. Ajax is asynchronous in that loading does not interfere with normal page loading. JavaScript is the programming language that Ajax function calls are made in. Data retrieved using the technique is commonly formatted using XML, as reflected in the naming of the XMLHTTPRequest object from which Ajax is derived.

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