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  1. Web Security Academy
  2. Cross-site scripting
  3. Stored
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Lab: Stored XSS into HTML context with nothing encoded

APPRENTICE

This lab contains a stored cross-site scripting vulnerability in the comment functionality.

To solve this lab, submit a comment that calls the alert function when the blog post is viewed.

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In this topic

Cross-site scripting Reflected XSS Stored XSS DOM-based XSS XSS contexts Client-side template injection Exploiting XSS vulnerabilities Content security policy Dangling markup Preventing XSS XSS cheat sheet

All topics

SQL injection XSS CSRF Clickjacking DOM-based CORS XXE SSRF Request smuggling Command injection Server-side template injection Insecure deserialization Directory traversal Access control Authentication OAuth authentication Business logic vulnerabilities Web cache poisoning HTTP Host header attacks WebSockets Information disclosure File upload vulnerabilities JWT attacks Essential skills Prototype pollution
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