TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Change via update_appointment_status

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18777
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-19 06:17:38 UTC
Updated2026-08-19 06:17:38 UTC
DescriptionThe TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.

Risk And Classification

Problem Types: CWE-862 Missing Authorization

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown TrueBooker affected 1.2.7 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/05a09ba7-b781-4462-8c50-3a45f2757cb2 [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: Mokksh Parekh (en)

CNA: WPScan (en)

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