# 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.