CVE-2026-17020
Received Received - Intake

Unauthenticated Access to Customer Booking Data in Salon Booking System

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: WPScan

Description
The Salon Booking System WordPress plugin through 10.30.33 does not verify that a requested booking belongs to the caller on one of its REST API endpoints, requiring only a basic read capability, allowing any authenticated user (including a Subscriber or self-registered customer account) to disclose any customer's booking personal data such as name, email, phone number, address and private notes by enumerating booking identifiers.

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-17020
EUVD
EUVD-2026-55007

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is an Insecure Direct Object Reference (IDOR) flaw in the Salon Booking System WordPress plugin up to version 10.30.33. It allows authenticated users, including subscribers or self-registered customers, to access other customers' personal data by exploiting a REST API endpoint that does not verify if a requested booking belongs to the caller.

Detection Guidance

To detect this vulnerability, check if the Salon Booking System plugin version is 10.30.33 or lower. Test REST API endpoints for IDOR flaws by attempting to access bookings with different identifiers while authenticated as a low-privilege user. Look for unauthorized exposure of customer data such as names, emails, or phone numbers.

Impact Analysis

If you use the affected plugin, attackers with basic read access could enumerate booking IDs to steal sensitive customer data such as names, emails, phone numbers, addresses, and private notes. This could lead to privacy breaches, identity theft, or misuse of personal information.

Compliance Impact

This vulnerability likely violates GDPR and HIPAA due to unauthorized access to personal data. GDPR requires protecting personal data, and HIPAA mandates safeguarding protected health information. A breach could result in legal penalties, fines, and reputational damage.

Mitigation Strategies

Immediately update the Salon Booking System plugin to the latest version if available. If no update exists, consider disabling the plugin until a patch is released. Restrict user roles to minimize access to sensitive data and monitor API logs for unusual activity.

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