Knowledge Base
How to Protect Against XSS Attacks
Cross-Site Scripting Prevention
XSS attacks inject malicious scripts into web pages.
What is XSS?
Attackers insert JavaScript code that runs in visitors' browsers, potentially stealing data or hijacking sessions.
Types of XSS
- Stored: Malicious code saved in database
- Reflected: Code in URL parameters
- DOM-based: Client-side script manipulation
Protection Measures
- Keep WordPress updated
- Use security plugins with WAF
- Only use trusted plugins/themes
- Sanitize all user input
Content Security Policy
CSP headers tell browsers what scripts are allowed to run.
WordPress Protection
- WordPress sanitizes output by default
- Risk comes from poorly coded plugins
- Security plugins add extra protection
Form Protection
- Use reputable form plugins
- Enable CAPTCHA
- Validate all input
Signs of XSS Attack
- Strange pop-ups on your site
- Unexpected redirects
- Modified page content