CVE-2026-59541 HIGH

CVE-2026-59541: WordPress WP BASE Booking plugin <= 6.3.1 - Privilege Escalation vulnerability

Vendor Hakan Ozevin
Product WP BASE Booking
Weakness CWE-266
Published July 23, 2026
Last update July 23, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Subscriber Privilege Escalation in WP BASE Booking <= 6.3.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP BASE Booking versions up to 6.3.1 contain an insufficient privilege validation flaw that allows authenticated users with low-level access to read, modify, or delete sensitive data and functionality. An attacker with a standard user account can escalate their capabilities within the plugin without additional authorization checks. This affects confidentiality, integrity, and availability of booking data.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete booking data and plugin settings with a low-privilege user account.

Potential impact on your site

04Site Impact

Booking data, customer information, and plugin settings can be compromised by any logged-in user, not just administrators.

Conditions required to exploit

05Prerequisites

Attacker must have a valid WordPress user account with at least subscriber-level access.

Key dates

06Disclosure timeline

July 23, 2026 CVE published