Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86839
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-27 06:17:14 UTC
Updated2026-09-27 06:17:14 UTC
DescriptionThe Online Scheduling and Appointment Booking System WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.

Risk And Classification

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Online Scheduling And Appointment Booking System affected 28.3 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/3ab8b879-3ef7-4aa4-8620-1bde99697dcb [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: Vũ Quang Huy (en)

CNA: WPScan (en)

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