Easy Appointments 4.0 - 4.0.2.1 - Unauthenticated Arbitrary Appointment Modification and Deletion via IDOR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-87966
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 06:16:40 UTC
Updated2026-09-18 06:16:40 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-639 Authorization Bypass Through User-Controlled Key

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Easy Appointments affected 4.0 4.0.2.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/e2e625f4-c146-4622-b439-3179c4484613 [email protected] wpscan.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: blast (en)

CNA: WPScan (en)

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