Description
The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments.
Published: 2026-09-18
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Fri, 18 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-639
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Easy-appointments
Easy-appointments easy Appointments
Wordpress
Wordpress wordpress
Vendors & Products Easy-appointments
Easy-appointments easy Appointments
Wordpress
Wordpress wordpress

Fri, 18 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments.
Title Easy Appointments 4.0 - 4.0.2.1 - Unauthenticated Arbitrary Appointment Modification and Deletion via IDOR
References

Subscriptions

Easy-appointments Easy Appointments
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-18T11:09:27.511Z

Reserved: 2026-09-09T17:46:45.657Z

Link: CVE-2026-87966

cve-icon Vulnrichment

Updated: 2026-09-18T11:01:44.986Z

cve-icon NVD

Status : Received

Published: 2026-09-18T06:16:40.950

Modified: 2026-09-18T12:17:28.523

Link: CVE-2026-87966

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T10:00:06Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key