Missing Authorization in TrueBooker Appointment Booking by Themotechmount
CVE-2026-39663

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Truebooker
Vendor
CVE Published:
8 April 2026

What is CVE-2026-39663?

A missing authorization vulnerability exists in the TrueBooker appointment booking plugin developed by Themotechmount, allowing attackers to exploit incorrectly configured access control security levels. This significant issue affects versions of TrueBooker from an unknown starting point up to and including 1.1.5, potentially exposing sensitive functionality to unauthorized users.

Affected Version(s)

TrueBooker 0 <= 1.1.5

References

https://patchstack.com/database/Wordpress/Plugin/truebook...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nabil Irawan | Patchstack Bug Bounty Program
.