Bypassing DOMPurify with mXSS
<p>DOMPurify is the gold standard for client-side HTML sanitization. However, mutation XSS (mXSS) exploits browser parsing quirks to bypass sanitizers.</p><p>The key insight is that HTML parsed by the...
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Template Injection in Modern Frameworks
<p>Client-side template injection (CSTI) affects frameworks like AngularJS and Vue.js. When user input is rendered within template-evaluated contexts, attackers can execute arbitrary JavaScript.</p><p...
DOM-based XSS: The Hidden Threat
<p>Unlike reflected or stored XSS, DOM-based XSS occurs entirely in the browser. The malicious payload never reaches the server, making it harder to detect with traditional WAFs.</p><p>Common sources ...
Understanding Content Security Policy
<p>Content Security Policy (CSP) is a powerful defense-in-depth mechanism. When properly configured, it can <em>significantly reduce</em> the impact of XSS attacks.</p><p>However, misconfigurations su...
Getting Started with Web Security
<p>Web security is a critical aspect of modern development. In this post, we'll cover the <strong>OWASP Top 10</strong> and how to protect your applications.</p><p>Cross-site scripting (XSS) remains o...