What is CVE-2026-84167?

CVE-2026-84167 is a medium-severity vulnerability in Hotel Booking, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-12.

How severe is CVE-2026-84167?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Hotel Booking

CVE-2026-84167

The Hotel Booking WordPress plugin through 3.8 does not verify that a booking record belongs to the user requesting it, allowing any authenticated user such as a Subscriber to read other customers' booking details, including their name, email address, phone number and postal address, by referencing an identifier they do not own.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-12 · last modified 2026-10-12.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Hotel Booking

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/77073fed-5f88-4fc5-82ea-7f588483961a/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-84167?: CVE-2026-84167 is a medium-severity vulnerability in Hotel Booking, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-12.
How severe is CVE-2026-84167?: Medium severity. CVSS v3 base score is 4.3 out of 10.