Security Misconfiguration in Node.js — Risks, Examples & the 10 Best Fixes Security Misconfiguration in Node.js is one of the most common causes of avoidable incidents. From permissive CORS and verbose errors to weak session cookies and missing headers, tiny defaults can grow into big breaches. In this tutorial-style guide, you’ll learn how to find […]
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10 Best Ways to Prevent Sensitive Data Exposure in Node.js Sensitive Data Exposure in Node.js is one of those problems that sneaks in through small mistakes—an overly verbose error, a forgotten .env file pushed to Git, or a debug log that prints out access tokens. In this deep, hands-on guide you’ll learn practical steps (with
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Broken Authentication in Node.js: 10 Best Fixes with Code Broken Authentication in Node.js is one of the fastest ways an attacker can take over user accounts, pivot through your app, and drain value from your business. In practice, broken auth happens when login, session, token, or password-reset flows are weakly designed or poorly implemented. This
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10 Best Ways to Fix IDOR Vulnerability in Node.js Insecure Direct Object References (IDOR) happen when an app exposes a direct identifier (like /users/123) without verifying that the requester is allowed to access that object. In JavaScript backends this falls under Broken Access Control (OWASP A01). This guide shows how to detect, exploit, and fix
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CSRF Prevention in Node.js — A Practical, Copy-Ready Guide Cross-Site Request Forgery (CSRF) is still one of the most reliable ways attackers trick browsers into performing actions the user never intended—like changing a password, transferring funds, or deleting data. In this long-form, code-rich guide, we’ll show the 10 Best CSRF Prevention in Node.js techniques you
XSS Prevention in Node.js—A Practical, Developer-First Guide Cross-site scripting (XSS) remains one of the most common web risks, and XSS Prevention in Node.js is a must-have skill for anyone building with Express, EJS, Pug, or Handlebars. In this guide, we’ll walk through 11 battle-tested techniques with copy-pasteable examples so you can harden your Node.js apps
10 Best SQL injection attack mitigation in Node.js If you build APIs with Node and a relational database, SQL injection is the one bug that can quietly undo everything. In this guide, we’ll walk through SQL injection attack mitigation in Node.js step-by-step with copy-pasteable code for Express, MySQL, PostgreSQL, Prisma, Sequelize, and Knex. You’ll also
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CRLF Injection in React.js—A Practical, Developer-First Guide If you’re shipping React apps that talk to APIs, CRLF Injection is a risk worth eliminating early. While most modern browsers and frameworks guard against raw \r\n (carriage return + line feed) in HTTP headers, vulnerable backends, proxies, and edge cases still let malicious input trigger HTTP response
XSSI Attack in React.js: What It Is and How to Crush It (with Code) Cross-Site Script Inclusion (XSSI) is a sneaky class of data-leak bugs where an attacker’s page loads your sensitive endpoints as if they were scripts (e.g., via <script src=”https://api.example.com/me”>). If your API returns JSON that can be interpreted as JavaScript—or if the
Weak API Authentication in React.js — 10 Best Fixes with Real Code Weak API Authentication in React.js is one of the fastest ways attackers pivot from a harmless UI to full data exfiltration. In this guide, we’ll unpack what “Weak API Authentication in React.js” actually looks like, how it gets exploited, and 10 best fixes
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