Security Knowledge Base
Best practice guides, vulnerability analysis, and defense strategies for WordPress security. Continuously updated to help you build a safer website.
XSS

What Are HTTP Security Headers? A Beginner’s Guide to Server Hardening
When you think about securing your WordPress site, you probably think about strong passwords, plugins, and firewalls. But there is a hidden layer of security that operates every time a visitor loads your page: HTTP Security Headers. Most WordPress sites do not use these headers by default. This leaves them vulnerable to a wide range…
February 21, 2026

Content Security Policy (CSP): A Beginner’s Guide to Preventing XSS
Cross-Site Scripting (XSS) is one of the oldest and most dangerous vulnerabilities on the web. It happens when a hacker injects malicious JavaScript into your site (e.g., via a comment form or a compromised plugin) to steal visitor data or redirect traffic. While firewalls (WAFs) try to block these attacks at the door, Content Security…
February 14, 2026
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