CVE-2026-84167: Hotel Booking WordPress plugin IDOR in booking details

CVE-2026-84167 · Severity: medium · CVSS 4.3 · Published 2026-10-12

The Hotel Booking WordPress plugin fails to verify ownership of booking records, allowing any subscriber-level user to access other customers' private booking information through direct object reference manipulation. An attacker with a low-privilege account could expose sensitive personally identifiable information such as names, email addresses, phone numbers, and postal addresses of any customer in the system.

Technologies: Nd-Booking Hotel Booking. Vendors: Nd-Booking.

Quick answers

Is CVE-2026-84167 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-84167 being exploited in the wild.
How severe is CVE-2026-84167?
Medium severity, with a CVSS score of 4.3, published 12 October 2026.
Which products and versions are affected?
Nd-Booking Hotel Booking through 3.8.
Is there a fix for CVE-2026-84167?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-84167 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-84167?
Check whether you run Nd-Booking Hotel Booking at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is an Insecure Direct Object Reference (IDOR) vulnerability in the Hotel Booking plugin's booking details retrieval function. An authenticated user with Subscriber privileges or higher can bypass access control checks by tampering with a booking identifier parameter to read arbitrary booking records. The vulnerability requires authentication and user interaction is minimal; an attacker simply needs to enumerate booking IDs to extract PII from other customers' records.

Affected products

  • nd-booking Hotel Booking through 3.8

Timeline

  • 2026-10-09: disclosed
  • 2026-10-12: advisory

References

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