CVE-2026-27390 HIGH

CVE-2026-27390: WordPress WeDesignTech Ultimate Booking Addon plugin <= 1.0.1 - Account Takeover vulnerability

Vendor Designthemes
Product WeDesignTech Ultimate Booking Addon
Weakness CWE-288
Published March 5, 2026
Last update April 28, 2026

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

Authentication Bypass Using an Alternate Path or Channel vulnerability in designthemes WeDesignTech Ultimate Booking Addon wedesigntech-ultimate-booking-addon allows Authentication Abuse.This issue affects WeDesignTech Ultimate Booking Addon: from n/a through <= 1.0.1.

Explanation of Vulnerability in Simple Terms

02Summary

WeDesignTech Ultimate Booking Addon versions 1.0.1 and earlier contain an authentication bypass vulnerability. An attacker with low-level user access can read, modify, or delete sensitive data and disrupt site operations. The vulnerability requires network access but no user interaction. Sites running affected versions should update immediately.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete sensitive data; disrupt site availability with low-level user account.

Potential impact on your site

04Site Impact

Unauthorized users can access booking data, modify records, or take the booking system offline.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege user account on the site; network access.

Key dates

06Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated