CVE-2026-27389

CRITICAL

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 0 products across 2 vendors.

BCS6.43
CVSS 3.19.8
EPSS0.4%
Percentile34th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-288: CWE-288
Related Attack Patterns (CAPEC)
CAPEC-127 Directory Indexing
via CWE-288
CAPEC-665 Exploitation of Thunderbolt Protection Flaws
via CWE-288

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

A critical vulnerability in the WeDesignTech Ultimate Booking Addon allows attackers to bypass authentication through an alternate path or channel, potentially leading to unauthorized access.

BSID: BS-2026-GLOBAL-075889-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2026-27389?
A critical vulnerability in the WeDesignTech Ultimate Booking Addon allows attackers to bypass authentication through an alternate path or channel, potentially leading to unauthorized access.
What is the CVSS score for CVE-2026-27389?
CVE-2026-27389 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.4%.
Is CVE-2026-27389 actively exploited?
No confirmed active exploitation of CVE-2026-27389 as of 2026-05-30.
How do I remediate CVE-2026-27389?
Priority: IMMEDIATE.
What systems are affected by CVE-2026-27389?
CVE-2026-27389 affects: Abuse, Booking.
Vulnerability Details
CVE IDCVE-2026-27389
BSIDBS-2026-GLOBAL-075889-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2026-03-05
Last Modified2026-04-22
ICS Relevance0%
Weakness (CWE)
CWE-288
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability stems from an improper handling of authentication mechanisms, enabling attackers to exploit an alternate path or channel to gain unauthorized access without proper credentials.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Abuse &mdash; —
Booking &mdash; —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 142 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hashf604fcd4979b9ecc7bdbc6c48b9f3343296fddec6e4f28bf13c96547b13cc077f6cda5deea8a145f5c466a5954663e1aee88f6cd026485ad3f7f09fa5a2ead96
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