Textpattern CMS 4.9.0-dev Cross Site Scripting

2021.03.06
Credit: Tushar Vaidya
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

# 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.


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