Security readout for executives and security teams
Plain-English summary
CVE-2026-27388 affects the WordPress DesignThemes Booking Manager plugin through version 2.0. The issue is missing authorization, meaning an unauthenticated attacker may reach functionality that should be restricted. The published CVSS indicates high availability impact, so the main business concern is service disruption rather than confirmed data theft.
Executive priority
Prioritize within the normal high-severity remediation window, faster for customer-facing booking sites. The risk is mainly operational disruption. There is no source-backed evidence of active exploitation in the provided material.
Technical view
The CVE describes CWE-862 Missing Authorization in designthemes-booking-manager <= 2.0. CVSS 3.1 is 7.5: network exploitable, low complexity, no privileges, no user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact.
Likely exposure
Exposure is likely limited to WordPress sites with the DesignThemes Booking Manager plugin installed at version 2.0 or earlier. The source bundle does not identify affected themes, hosting platforms, or a fixed version.
Exploitation context
The CVE scoring supports unauthenticated remote exploitation with low attack complexity and no user interaction. The bundle does not include exploit details, public exploitation claims, or CISA KEV listing. Treat active exploitation as unconfirmed based on the provided sources.
Researcher notes
Key gaps remain: the bundle does not name a fixed version, workaround, vulnerable endpoint, or exploit status. Use the CVE and Patchstack pages for updates, and avoid assuming confidentiality or integrity impact beyond the published CVSS vector.
Mitigation direction
- Inventory WordPress sites for the designthemes-booking-manager plugin.
- Identify installations running version 2.0 or earlier.
- Check Patchstack and vendor guidance for a fixed release or workaround.
- Prioritize remediation for internet-facing booking or customer-service sites.
- Consider temporary disablement after business review if no vendor fix is available.
Validation and detection
- Confirm whether the plugin is installed on each WordPress site.
- Compare installed plugin versions against the affected range: <= 2.0.
- Verify remediation status against current Patchstack or vendor advisories.
- Confirm no internet-facing site continues running an affected version.
- Monitor site availability and WordPress logs for unusual disruption patterns.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-27388 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.