CVE-2026-89007: CWE-862 Missing Authorization in Bookit — Booking & Appointment Calendar
The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.5 does not perform a capability check in one of its appointment-deletion functions, allowing users with its low-privileged custom Staff role to delete arbitrary appointments.
AI Analysis
Technical Summary
CVE-2026-89007 is a missing authorization vulnerability (CWE-862) in the Bookit — Booking & Appointment Calendar WordPress plugin versions prior to 2.6.0.5. The plugin fails to verify user capabilities in one of its appointment deletion functions, enabling users with the Staff role, which is intended to have limited privileges, to delete appointments arbitrarily. This could lead to unauthorized modification of booking data.
Potential Impact
Users with the low-privileged Staff role can delete any appointment, potentially disrupting booking schedules and causing denial of service to legitimate users relying on the appointment system. There is no indication of privilege escalation beyond deletion or other impacts.
Mitigation Recommendations
Upgrade the Bookit — Booking & Appointment Calendar plugin to version 2.6.0.5 or later, where this authorization check issue has been fixed. No other mitigation is indicated.
CVE-2026-89007: CWE-862 Missing Authorization in Bookit — Booking & Appointment Calendar
Description
The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.5 does not perform a capability check in one of its appointment-deletion functions, allowing users with its low-privileged custom Staff role to delete arbitrary appointments.
CVSS v3.1
Score 2.7low
Affected software
Bookit — Booking & Appointment Calendar
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-89007 is a missing authorization vulnerability (CWE-862) in the Bookit — Booking & Appointment Calendar WordPress plugin versions prior to 2.6.0.5. The plugin fails to verify user capabilities in one of its appointment deletion functions, enabling users with the Staff role, which is intended to have limited privileges, to delete appointments arbitrarily. This could lead to unauthorized modification of booking data.
Potential Impact
Users with the low-privileged Staff role can delete any appointment, potentially disrupting booking schedules and causing denial of service to legitimate users relying on the appointment system. There is no indication of privilege escalation beyond deletion or other impacts.
Mitigation Recommendations
Upgrade the Bookit — Booking & Appointment Calendar plugin to version 2.6.0.5 or later, where this authorization check issue has been fixed. No other mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-10T16:21:54.826Z
- State
- PUBLISHED
Threat ID: 6aacd5a555bf5e2cf5955f35
Added to database: 09/18/2026, 06:09:41 UTC
Last enriched: 09/18/2026, 06:16:47 UTC
Last updated: 09/18/2026, 23:49:44 UTC
Views: 13
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