PT-2026-56408 · E4Jvikwp · Vikbooking Hotel Booking Engine & Pms

Naoya Takahashi · Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-6820

Mitre

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

The VikBooking Hotel Booking Engine & PMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'email' parameter in all 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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-6820

Affected Products

Vikbooking Hotel Booking Engine & Pms

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-6820 · Security Note
• https://plugins.trac.wordpress.org/browser/vikbooking/tags/1.8.9/admin/controller.php#L11208 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/e2b4586a-f87d-4a51-8f4e-932d7254518e?source=cve · Note
• https://plugins.trac.wordpress.org/browser/vikbooking/tags/1.8.9/site/controller.php#L307 · Note