Salon Booking System Plugin up to 10.30.33 on WordPress REST API endpoint authorization

Summaryinfo

A vulnerability was found in Salon Booking System Plugin up to 10.30.33. It has been rated as problematic. The impacted element is an unknown function of the component REST API endpoint. The manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2026-17020. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Salon Booking System Plugin up to 10.30.33. This issue affects an unknown function of the component REST API endpoint. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2026-17020 since 07/24/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Name

• Salon Booking System Plugin

Version

• 10.30.0
• 10.30.1
• 10.30.2
• 10.30.3
• 10.30.4
• 10.30.5
• 10.30.6
• 10.30.7
• 10.30.8
• 10.30.9
• 10.30.10
• 10.30.11
• 10.30.12
• 10.30.13
• 10.30.14
• 10.30.15
• 10.30.16
• 10.30.17
• 10.30.18
• 10.30.19
• 10.30.20
• 10.30.21
• 10.30.22
• 10.30.23
• 10.30.24
• 10.30.25
• 10.30.26
• 10.30.27
• 10.30.28
• 10.30.29
• 10.30.30
• 10.30.31
• 10.30.32
• 10.30.33

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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