WordPress security changelog
HIGH CVE-2026-39587 Deferred

WP BASE Booking: Privilege escalation or authentication bypass

WP BASE Booking is affected by privilege escalation or authentication bypass. The vulnerable path is reachable without authentication. A successful request can grant permissions or access that the caller should not possess. The published affected range is n/a through 5.9.0.

CVE / CNA score 8.1 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
WP BASE Booking
Plugin slug
wp-base-booking-of-appointments-services-and-events
Affected
n/a through 5.9.0
Safe version
6.0.0
Published
Jun 15, 2026
Weakness
CWE-266 — Incorrect Privilege Assignment

This CVE was published Jun 15, 2026 and is one of 6 known issues for this plugin.

What to do

Patch or disable the affected component.

Update WP BASE Booking to 6.0.0 or later, or disable and remove it until a fixed version is available.

Source record

Technical description

Unauthenticated Privilege Escalation in WP BASE Booking <= 5.9.0 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Primary and upstream sources