What is CVE-2026-87894?

CVE-2026-87894 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-09-12.

How severe is CVE-2026-87894?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CVE-2026-87894

CVE-2026-87894

The Rox Appointment Booking WordPress plugin before 1.2.3 does not perform any authorization check on the endpoint that returns a booking's confirmation details, and each booking is addressed by a sequential numeric identifier, allowing unauthenticated attackers to read any customer's name, email, phone, booking details and payment status by enumerating that identifier.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87894?: CVE-2026-87894 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-09-12.
How severe is CVE-2026-87894?: Medium severity. CVSS v3 base score is 5.3 out of 10.