Textpattern CMS version 4.9.0-dev suffers from a persistent cross site scripting vulnerability.
16e27064a02c0928aa52bc17265dde0d# Exploit Title: Textpattern CMS 4.9.0-dev - 'Excerpt' Persistent Cross-Site Scripting (XSS)
# Date: 2021-03-04
# Exploit Author: Tushar Vaidya
# Vendor Homepage: https://textpattern.com
# Software Link: https://textpattern.com/start
# Version: v 4.9.0-dev
# Tested on: Windows
Steps-To-Reproduce:
1. Login into Textpattern CMS admin panel.
2. Now go to the *Content > Write > ** Excerpt*.
3. Now paste the below payload in the URL field.
Ba1man”><img src=x onerror=confirm(document.cookie)>
4. Now click on the *Save* button.
5. Now go to the *articles* page
5. The XSS will be triggered.