wpdevart Booking Calendar Appointment Booking System Plugin SQL Query sql injection

Summaryinfo

A vulnerability labeled as critical has been found in wpdevart Booking Calendar Appointment Booking System Plugin up to 3.2.17. The affected element is an unknown function of the component SQL Query Handler. The manipulation of the argument wpdevart_id results in sql injection. This vulnerability is cataloged as CVE-2026-15289. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in wpdevart Booking Calendar Appointment Booking System Plugin up to 3.2.17. It has been classified as critical. Affected is an unknown part of the component SQL Query Handler. The manipulation of the argument wpdevart_id with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevart_id’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. In order to exploit the vulnerability, the Pro version of the plugin must be installed and activated, with the 'Delete previous dates' option checked.

The advisory is available at wordfence.com. This vulnerability is traded as CVE-2026-15289 since 07/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/10/2026). This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Appointment Software

Vendor

• wpdevart

Name

• Booking Calendar Appointment Booking System Plugin

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11
• 3.2.12
• 3.2.13
• 3.2.14
• 3.2.15
• 3.2.16
• 3.2.17

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion