Node.js has become a highly recommended back end server for web apps. Node.js allows you to create new modules, Making it easier to secure backdoors. While Node.js’ core is secure, third-party packages might require new security measures to protect your web applications.
Security issues with Node.js Technology?
Open-source features in open-source apps can solve licensing and security issues. Security detection technologies like static and dynamic code analysis are useless in discovering open-source vulnerabilities.
This means that commercial and open-source developers can fix code snippets and functions in files, which could compromise app security. Many Node.js apps are developed using terms that go beyond the Node.js licensing.
Prime 5 Node.js Security Risks
1. Old versions of Express
Express is the most widely used web application framework for Node.js. However, Express was not designed with security in mind. Older versions of Express may be a severe security risk, and you have to use only the up-to-date and maintained versions to ensure the security of applications.
2. Cross-Site Scripting
Cross-Site Scripting allows hackers to insert malicious client-side code into web pages viewed and accessed by other users. Malicious client-side scripts can cause data leakage. You can prevent XSS attacks on Node.js by using output encoding techniques or tools like Jade engine with built-in encoding frameworks.
3. Cross-Site Forgery Requests (CSFR)
CSRF attacks force end-users to execute unnecessary actions on authenticated web applications. The targets of CSRF attacks are changes in application state requests because the attacker has no way of seeing the forged request-response.
Hackers can trick users into executing unnecessary actions by using social engineering techniques, like sending links via chat or email. CSRF can force state-changing requests like changing email addresses and then transferring funds. For administrative users, CSRF can compromise the entire web application.
Preventing CSRF in Node.js requires the use of Anti-Forgery Tokens. Anti-CSRF tokens are used to monitor and validate the authenticity of user requests and prevent one-click attacks.
4. Default cookie session name
Websites can use session cookies to identify users. Cookies are stored on your computer and saved every action you take. This functionality is most commonly used in e-commerce websites, such as shopping carts.
The session cookie stores your selections on the e-commerce website. When you’re ready to checkout, these items will be available in the shopping cart. The new page will not recognize your past activity on other pages without session cookies.
It is risky because attackers can identify default cookie names and pose a threat to your application. Use one of the middleware cookie sessions modules, such as express-session.
5. Header X-Powered by
X-Powered by is a non-standard HTTP response header, which is included by default in some scripting technologies. Servers can disable or modify X-PoweredBy to stop hackers from targeting a specific technology.
X-Powered-By provides information about the technology used within an app. Hackers can exploit Node.js security flaws by using X-Powered-By. This header must be disabled to conceal information about server technology.
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