CVE-2026-15232 Overview
CVE-2026-15232 is an Insecure Direct Object Reference (IDOR) vulnerability in the MotoPress Appointment Booking WordPress plugin before version 2.4.8. The plugin fails to perform authorization or ownership checks when processing a user-supplied booking identifier on an unauthenticated endpoint. Unauthenticated attackers can permanently delete other users' reservations by submitting arbitrary booking IDs. The flaw is an incomplete fix of CVE-2026-9180, and the deletion path remains reachable on sites configured to use payment confirmation, confirmed through version 2.4.7. The weakness is classified under CWE-639: Authorization Bypass Through User-Controlled Key.
Critical Impact
Unauthenticated remote attackers can permanently delete arbitrary reservations belonging to other users, disrupting booking operations and destroying customer data.
Affected Products
- MotoPress Appointment Booking WordPress plugin versions prior to 2.4.8
- Confirmed exploitable through version 2.4.7 on sites using payment confirmation
- WordPress sites relying on the plugin for reservation management
Discovery Timeline
- 2026-09-02 - CVE-2026-15232 published to NVD
- 2026-09-02 - Last updated in NVD database
Technical Details for CVE-2026-15232
Vulnerability Analysis
The MotoPress Appointment Booking plugin exposes an unauthenticated endpoint that accepts a booking identifier from the request. The handler processes deletion of the reservation identified by that parameter without verifying that the requester owns the record or holds the required capability. Any remote user can submit a request referencing another user's booking ID and cause its permanent removal.
This issue is a regression of a prior fix for CVE-2026-9180. The vendor's earlier patch addressed one execution path, but the deletion logic remains reachable on installations that enable payment confirmation. Attackers can enumerate sequential booking IDs and trigger deletion at scale, resulting in loss of reservation data, revenue impact, and customer-facing disruption.
Root Cause
The root cause is a missing authorization and ownership check on a user-controlled key ([CWE-639]). The endpoint trusts the client-supplied booking identifier and does not validate the requester against the record owner or the current session. Because the endpoint is exposed without authentication, no session context is available to enforce access control.
Attack Vector
Exploitation requires only network access to the target WordPress site. The attacker sends a crafted HTTP request to the unauthenticated deletion endpoint on a site using payment confirmation, supplying a target booking ID. The server processes the request and deletes the referenced reservation. No user interaction or privileges are required. Refer to the WPScan Vulnerability Report for endpoint specifics.
Detection Methods for CVE-2026-15232
Indicators of Compromise
- Unexpected deletion events in the mphb_bookings database table or absence of previously created reservations
- HTTP requests to MotoPress booking endpoints from unauthenticated sessions containing sequential or enumerated booking_id values
- Customer reports of reservations disappearing without corresponding administrative action in WordPress audit logs
Detection Strategies
- Monitor web server access logs for unauthenticated POST or GET requests targeting MotoPress plugin endpoints referencing booking identifiers
- Alert on high-frequency requests from single source IPs iterating over booking ID parameters
- Correlate WordPress database change events with authenticated administrator activity to surface deletions that lack a legitimate session
Monitoring Recommendations
- Enable WordPress activity logging plugins to record all booking lifecycle events with source IP and user context
- Ingest WordPress and web server logs into a centralized analytics platform for anomaly detection on booking deletions
- Establish a baseline for normal reservation deletion volume and alert on statistical deviations
How to Mitigate CVE-2026-15232
Immediate Actions Required
- Update the MotoPress Appointment Booking plugin to version 2.4.8 or later on all affected WordPress installations
- Audit existing reservations against payment records to identify any unauthorized deletions that occurred before patching
- Restrict access to the plugin's booking endpoints via a web application firewall rule until the update is applied
Patch Information
Upgrade the MotoPress Appointment Booking plugin to version 2.4.8, which introduces proper authorization and ownership validation on the deletion endpoint. Version 2.4.7 and earlier remain vulnerable when payment confirmation is enabled. Review the WPScan Vulnerability Report for vendor guidance and technical validation.
Workarounds
- Temporarily disable payment confirmation in the plugin configuration to remove the reachable deletion path if immediate patching is not possible
- Deploy WAF rules that block unauthenticated requests to the booking deletion endpoint or require a valid session cookie
- Implement database-level backups of reservation tables to enable rapid restoration in the event of malicious deletion
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.