CVE-2026-39587: Unauthenticated Privilege Escalation in WP BASE Booking <= 5.9.0 versions.

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

8.1 CVSS 3.1 High EPSS 0.37% · top 71.3% CWE-266 · CWE-266 Deferred

8.1CVSS 3.1 base score

0.37%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

1References

17 Jun 2026Last modified by NVD

Description

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

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

References

Link	Tags
https://patchstack.com/database/wordpress/plugin/wp-base-booking-of-appointments-services-and-events/vulnerability/wordp

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-39587), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.