WP Booking System <= 2.1.0.3 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via wpbs_refresh_calendar_editor AJAX action

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-109368
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-17 04:16:51 UTC
Updated2026-10-17 04:16:51 UTC
DescriptionThe WP Booking System – Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.0.3 via the 'id' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract private per-event booking descriptions and booking IDs from any calendar managed by the site.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Murgroland WP Booking System Booking Calendar affected 2.1.0.3 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base/admin/ca... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base/admin/ca... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base/admin/ca... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base/admin/ca... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset/3750120/wp-booking-system/trunk/includes/base/admin... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/164a276a-612f-416f-b9ef-1c2e6... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Wordfence PRISM (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-12T14:38:41.000ZVendor Notified
CNA2026-10-16T14:38:46.000ZDisclosed

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