> ## Documentation Index
> Fetch the complete documentation index at: https://rootea.es/llms.txt
> Use this file to discover all available pages before exploring further.

# CORS vulnerability with basic origin reflection

> PortSwigger Web Security Academy lab: CORS vulnerability with basic origin reflection. Tema: CORS.

# CORS vulnerability with basic origin reflection

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> PortSwigger · CORS</p>

<div className="machine-meta">
  | ·           | ·                                                                                     |
  | ----------- | ------------------------------------------------------------------------------------- |
  | Plataforma  | PortSwigger Web Security Academy                                                      |
  | Tema        | CORS                                                                                  |
  | Dificultad  | <span className="dbadge dbadge-easy">APPRENTICE</span>                                |
  | Lab oficial | [Abrir](https://portswigger.net/web-security/cors/lab-basic-origin-reflection-attack) |
</div>

## Resolver el lab

| Idioma  | Autor           | Formato | Enlace                                                                                |
| ------- | --------------- | ------- | ------------------------------------------------------------------------------------- |
| 🇬🇧 EN | **PortSwigger** | Texto   | [Abrir](https://portswigger.net/web-security/cors/lab-basic-origin-reflection-attack) |

## Recursos por skill

| Skill                                | Fuente      | Enlace                                             |
| ------------------------------------ | ----------- | -------------------------------------------------- |
| CORS (Cross-Origin Resource Sharing) | PortSwigger | [Abrir](https://portswigger.net/web-security/cors) |

## Skills relacionadas

[CORS (Cross-Origin Resource Sharing)](/skills/cors)

***

## Comentarios y truquillos

¿Has resuelto el lab por una vía distinta? Compártela aquí — los comentarios viven en [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

<div className="rootea-giscus-wrap" data-giscus-term="lab:cors-basic-origin-reflection-attack" data-giscus-lang="es" />

*Última actualización: 2026-06-07*

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