Information disclosure in Rox Appointment Booking

CVE-2026-87896

The Rox Appointment Booking WordPress plugin before 1.2.8 does not perform any authorization check on the endpoint that returns booking agent (staff) records, allowing unauthenticated attackers to read staff email addresses, phone numbers, private internal notes and the linked WordPress account name for every agent.

Vulnerability class: Information Disclosure

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (28.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-87896: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Rox Appointment Booking

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-87896?
CVE-2026-87896 is a medium-severity vulnerability in Rox Appointment Booking, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-16.
How severe is CVE-2026-87896?
Medium severity. CVSS v3 base score is 5.3 out of 10.