# Some inputs to check for XSS issues

> A reference list of XSS payloads and input strings you can use to test a web app for cross-site scripting vulnerabilities when explaining how XSS works.

Author: [Flavio Copes](https://flaviocopes.com/about/) | Published: 2024-09-14 | Canonical: https://flaviocopes.com/some-inputs-to-check-for-xss-issues/

Some inputs to check for XSS issues, just for reference when I explain XSS and how it can be dangerous

- `<script>alert('XSS');</script>`
- `'"--><img src=x onerror=alert('XSS')>`
- `'><script>alert(0)</script>`