Vulnerability in Bookingwp Woocommerce Appointments

CVE-2026-66462

Unauthenticated Sensitive Data Exposure in WooCommerce Appointments <= 5.3.8 versions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% 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-2026-66462: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-66462?
CVE-2026-66462 is a high-severity vulnerability in Bookingwp Woocommerce Appointments, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 7.5/10. Published 2026-08-13.
How severe is CVE-2026-66462?
High severity. CVSS v3 base score is 7.5 out of 10.