What is the CVSS score of CVE-2026-27388?

CVE-2026-27388 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-27388?

Within 24 hours: Inventory all systems running DesignThemes Booking Manager and disable the plugin if non-critical, or restrict access to trusted networks only. Within 7 days: Implement Web Application Firewall (WAF) rules to block unauthorized booking requests, audit access logs for suspicious activity, and notify affected stakeholders. Within 30 days: Monitor vendor communications for patch availability, conduct a security assessment of booking data accessed during vulnerability window, and evaluate alternative booking solutions.

CVE-2026-27388

HIGH

Missing Authorization (CWE-862)

2026-03-05 audit@patchstack.com

Authentication Bypass

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 21:37 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

HIGH 7.5

DescriptionCVE.org

Missing Authorization vulnerability in designthemes DesignThemes Booking Manager designthemes-booking-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects DesignThemes Booking Manager: from n/a through <= 2.0.

AnalysisAI

designthemes DesignThemes Booking Manager designthemes-booking-manager is affected by missing authorization (CVSS 7.5).

Technical ContextAI

This vulnerability (CWE-862: Missing Authorization) affects designthemes DesignThemes Booking Manager designthemes-booking-manager. Missing Authorization vulnerability in designthemes DesignThemes Booking Manager designthemes-booking-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects DesignThemes Booking Manager: from n/a through <= 2.0.