Unauthenticated Privilege Escalation in WP BASE Booking

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-39587

Affected Vendors & Products

Vendor	Product	Version / Range
wp_base	booking	to 5.9.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-266	A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an unauthenticated privilege escalation issue found in WP BASE Booking versions 5.9.0 and earlier. It allows an attacker to gain higher privileges without needing to authenticate first.

Impact Analysis

The vulnerability can have a severe impact as it allows an attacker to escalate privileges without authentication, potentially leading to full control over the affected system. This can result in confidentiality, integrity, and availability being compromised.

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