CVE-2026-27389

WordPress WeDesignTech Ultimate Booking Addon plugin <= 1.0.1 - Account Takeover vulnerability

Published Mar 5, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Analysis

AI-generated

Technical impact

The vulnerability is an authentication bypass that allows an attacker to abuse alternate paths or channels within the WordPress WeDesignTech Ultimate Booking Addon plugin. By exploiting this flaw an attacker can gain unauthorized access and take control of a user account, leading to full compromise of the booking system. The weakness is identified as CWE-288, a classic authentication issue.

Affected Systems

WordPress sites running the WeDesignTech Ultimate Booking Addon plugin version 1.0.1 or earlier are affected. The vulnerability applies to all installations of this plugin up to and including 1.0.1.

Risk and Exploitability

The CVSS score is 9.8, indicating a critical severity. The EPSS score is less than 1% suggesting a low probability of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Attackers would likely target exposed WordPress sites that have the vulnerable plugin installed, submitting crafted requests that bypass authentication. The lack of a publicly disclosed exploit means the risk is based on potential to develop a proof‑of‑concept rather than existing off‑the‑shelf payloads.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update the WeDesignTech Ultimate Booking Addon plugin to version 1.0.2 or later.
  • Deactivate or remove the plugin from the WordPress installation if an update cannot be applied immediately.
  • Monitor access logs for suspicious login attempts and block IPs that show repeated authentication malfunction patterns.

Generated by OpenCVE AI on April 15, 2026 at 23:31 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Designthemes
Designthemes wedesigntech Ultimate Booking Addon
Wordpress
Wordpress wordpress
Vendors & Products Designthemes
Designthemes wedesigntech Ultimate Booking Addon
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description 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.
Title WordPress WeDesignTech Ultimate Booking Addon plugin <= 1.0.1 - Account Takeover vulnerability
Weaknesses CWE-288
References
Weaknesses
  • CWE-288

    Authentication Bypass Using an Alternate Path or Channel

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:15 PM
Reserved
Feb 19, 2026, 9:52 AM
Status
Deferred
Published
Mar 5, 2026, 6:16 AM
Modified
Jun 17, 2026, 10:27 AM