The above script tag will generate a simple alert message in the browser. Next, we print the inputted data directly to the web page. The example below includes a form that accepts user input. Whenever a malicious user includes HTML, JavaScript, or even CSS, your web application will execute the remote code. For example, an XSS attack can occur when your web application accepts user input and prints it directly to the web page. Beware of XSS attacks (Cross-site scripting)Īn XSS attack, also known as cross-site scripting, refers to the unintended execution of remote code by your web application. However, security advisors discourage companies from engaging in testing preview releases because they can still contain unknown security flaws. If you don’t update your PHP version to the latest stable release, hackers can exploit those known security vulnerabilities with older releases.įurthermore, PHP lets you try out a preview release. It’s important to regularly update your PHP version because newer versions often contain patches for known security issues. Update your PHP version regularlyĪs of July 9, 2020, the stable release for PHP is version 7.4.8. To strengthen your defense mechanisms, this article lists 10 important security best practices for PHP applications. In addition, a data breach may have a drastic impact on the credibility and future operations of your organization.
An insecure web application gives hackers the chance to steal valuable information, such as user data or credit card information.
While developing a PHP web application, a web developer should also be concerned with security best practices.