{
 "id": "WPSEC-2026-0587",
 "url": "https://wpsec.com/vuln/WPSEC-2026-0587/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-0587/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-0587/index.md",
 "title": "Booktics – Appointment Booking Calendar for Service Businesses <= 1.0.27 - Authenticated (Subscriber+) Missing Authorization to Appointment Data and Security Token Exposure via Calendar Appointments Route",
 "description": "The Booktics – Appointment Booking Calendar for Service Businesses plugin for WordPress is vulnerable to unauthorized access of data in all versions up to, and including, 1.0.27 due to a missing ownership check on the calendar appointments REST route, which is available to any logged-in user and returns every appointment in the requested date range, including the customer's name, email address and phone number, the appointment notes, and the per-appointment security token that authorizes cancelling and rescheduling. This makes it possible for authenticated attackers, with subscriber-level access and above, to view other customers' appointment details and, on sites that allow customers to cancel or reschedule their bookings, to cancel or reschedule other customers' appointments.",
 "plugin": {
  "slug": "booktics",
  "name": "Booktics – Appointment Booking Calendar for Service Businesses",
  "full_name": "Booktics – Appointment Booking Calendar for Service Businesses",
  "wordpress_org": "https://wordpress.org/plugins/booktics/",
  "advisories_url": "https://wpsec.com/vuln/plugin/booktics/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/booktics"
 },
 "type": "NO AUTHORISATION",
 "cwe": [
  "CWE-862"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 5.4,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "1.0.28",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 1.0.28"
  ]
 },
 "introduced_in": null,
 "fixed_in": "1.0.28",
 "remediation": "Update to 1.0.28 or later.",
 "fix_released": "2026-10-05T09:02:00+00:00",
 "published": "2026-10-07T19:47:10+00:00",
 "updated": "2026-10-07T18:51:25.772354+00:00",
 "also_published_as": null,
 "references": [
  "https://wpsec.com/vuln/WPSEC-2026-0587/",
  "https://plugins.svn.wordpress.org/booktics/tags/1.0.28/",
  "https://wordpress.org/plugins/booktics/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/booktics",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "Low",
  "as_of": "2026-10-07"
 }
}