klytos-escape-and-sanitization

To prevent XSS, sanitize user input and escape output using dedicated helper functions for text, HTML, URLs, and attributes, ensuring untrusted data is neutralized before rendering or processing in web forms.

Yes, KSES filtering restricts allowed HTML tags and attributes in CMS content by passing user-submitted HTML through strict content filtering functions to strip malicious code while preserving safe markup.

Adding CSRF protection and verification to web forms requires rendering a hidden CSRF token field in the form and validating that token on the server side upon submission to block cross-site request forgery attacks.

Output escaping neutralizes malicious scripts before rendering data in the browser, while input sanitization cleans and validates user-submitted data upon receipt, forming a comprehensive defense against XSS and injection vulnerabilities.

Yes, the Skill includes secure form examples that demonstrate end-to-end protection by combining input sanitization, output escaping, KSES content filtering, and CSRF verification helper functions within CMS contexts.