VikBooking Hotel Booking Engine & PMS <= 1.8.8 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-42683
CVSS 7.2 (High)
Publicly Published May 20, 2026
Last Updated May 26, 2026
Researcher Evan NR

Description

The VikBooking Hotel Booking Engine & PMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.8.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for VikBooking Hotel Booking Engine & PMS

Software Type Plugin
Software Slug vikbooking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.8.9, or a newer patched version
Affected Version
  • <= 1.8.8
Patched Version
  • 1.8.9

Recent vulnerabilities in VikBooking Hotel Booking Engine & PMS

# Title CVE ID CVSS Researchers Date
1 VikBooking Hotel Booking Engine & PMS <= 1.8.13 - Unauthenticated Stored Cross-Site Scripting via Custom Field 'vbfX' Parameter CVE-2026-15401 7.2 Wordfence PRISM July 23, 2026
2 VikBooking Hotel Booking Engine & PMS <= 1.8.13 - Reflected Cross-Site Scripting via 'category_id' Parameter CVE-2026-15346 6.1 Wordfence PRISM July 23, 2026
3 VikBooking Hotel Booking Engine & PMS <= 1.8.8 - Unauthenticated Stored Cross-Site Scripting via Booking Form Email Field CVE-2026-6820 7.2 Naoya Takahashi (nakko) July 7, 2026
4 VikBooking Hotel Booking Engine & PMS <= 1.8.8 - Unauthenticated Stored Cross-Site Scripting via 'special_requests' Parameter CVE-2026-6818 7.2 Azril Fathoni (kiseki) July 7, 2026
5 VikBooking Hotel Booking Engine & PMS <= 1.8.12 - Cross-Site Request Forgery CVE-2026-57723 4.3 VDsec July 1, 2026
6 VikBooking Hotel Booking Engine & PMS <= 1.8.12 - Reflected Cross-Site Scripting via 'layoutstyle' Parameter CVE-2026-12754 6.1 Wordfence PRISM June 30, 2026
7 VikBooking Hotel Booking Engine & PMS <= 1.8.9 - Unauthenticated Stored Cross-Site Scripting CVE-2026-42762 7.2 anhcd05 June 1, 2026
8 VikBooking Hotel Booking Engine & PMS <= 1.8.10 - Unauthenticated Arbitrary File Deletion CVE-2026-42737 9.1 dodoh4t May 27, 2026
9 VikBooking Hotel Booking Engine & PMS <= 1.8.2 - Unauthenticated Information Exposure CVE-2025-49918 7.5 daroo November 7, 2025
10 VikBooking Hotel Booking Engine & PMS <= 1.8.2 - Missing Authorization CVE-2025-5803 5.3 daroo October 21, 2025

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