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

Type: advisorySource: Official CVE List1 source record

The 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.

Announced Source revision 1
Original source ↗

CVE-2026-109368

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-109368

WP Booking System – Booking Calendar

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "murgroland",
    "product": "WP Booking System – Booking Calendar",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "2.1.0.3"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-109368

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#34600 · Revision 1
Added to Heist Feed
Publisher date
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