Information disclosure in Bookit — Booking & Appointment Calendar

CVE-2026-88995

The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.1 does not properly restrict the data returned by an availability-check request, allowing unauthenticated users to retrieve other customers' appointment details, including free-text booking comments and contact information.

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 (27.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% 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-2026-88995: held from 0.003 to 0.003.

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

Affected products

  • Bookit — Booking & Appointment Calendar

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88995?
CVE-2026-88995 is a medium-severity vulnerability in Bookit — Booking & Appointment Calendar, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-13.
How severe is CVE-2026-88995?
Medium severity. CVSS v3 base score is 5.3 out of 10.