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 […]
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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
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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
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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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7 Best Ways to Stop Session Replay Attack in React.js What is a “Session Replay Attack in React.js”? A Session Replay Attack in React.js happens when code (often a third-party “session recording” script) captures the DOM, clicks, mouse moves, keystrokes, and network events from your React SPA—sometimes including sensitive fields. If such a script is
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10 Best Ways to Prevent XML Injection in React.js XML Injection in React.js is a sneaky class of bugs that shows up when apps parse or render untrusted XML—often from integrations (payment gateways, feeds, SSO metadata), file uploads, or rich-text imports. While React escapes text by default, developers can still introduce injection risks via unsafe
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Web Cache Deception Attack in React.js — A Deep-Dive with Code (and Practical Fixes) If your React app uses CDNs, proxies, or aggressive browser caching, you might be one misconfiguration away from a Web Cache Deception Attack in React.js. In this guide, we’ll break down how the attack works in modern React stacks (CSR, SSR/SSG,
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JWT Attacks in React.js — what you’re really defending against JWTs (JSON Web Tokens) are compact, signed tokens used to authenticate React SPAs with APIs. They’re convenient—but if implemented carelessly, JWT Vulnerability in React.js can lead to account takeover, session fixation, and replay. This post focuses on practical, minimal changes that close common gaps without
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OAuth Misconfiguration in React.js: Best 10 Fixes (+ Code) If you’re building a modern SPA, OAuth Misconfiguration in React.js is one of those quiet problems that only shows up after users complain—or after an attacker does something noisy. In this guide, we’ll walk through the Best 10 developer-focused fixes for OAuth Misconfiguration in React.js, show
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