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CVE-2026-15289— Booking calendar, Appointment Booking System <= 3.2.17 - Unauthenticated Time-Based SQL Injection via 'wpdevart_id'

Quick assessment

Affected
wpdevart Booking calendar, Appointment Booking System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Booking calendar, Appointment Booking System是WordPress基金会的一款在线预约及日程管理插件。 WordPress Booking calendar, Appointment Booking System 3.2.17及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的‘wpdevart_id’参数的清理不足以及对SQL查询预处理不充分，可能导致未经身份验证的攻击者将额外的SQL查询附加到已有查询中，用于从数据库提取敏感信息。

CVSS 5.9 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpdevart Booking calendar, Appointment Booking System ≤ 3.2.17 affected
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I. Basic Information for CVE-2026-15289

Vulnerability Information
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Vulnerability Title
Booking calendar, Appointment Booking System <= 3.2.17 - Unauthenticated Time-Based SQL Injection via 'wpdevart_id'
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Booking calendar, Appointment Booking System SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Booking calendar, Appointment Booking System是WordPress基金会的一款在线预约及日程管理插件。 WordPress Booking calendar, Appointment Booking System 3.2.17及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的‘wpdevart_id’参数的清理不足以及对SQL查询预处理不充分，可能导致未经身份验证的攻击者将额外的SQL查询附加到已有查询中，用于从数据库提取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpdevart Booking calendar, Appointment Booking System 0 ~ 3.2.17 -

II. Public POCs for CVE-2026-15289

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III. Intelligence Information for CVE-2026-15289

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News Coverage for CVE-2026-15289 (1)

IV. Related Vulnerabilities

Same product: Booking calendar, Appointment Booking System
Same vendor: wpdevart
Same weakness: CWE-89

V. Comments for CVE-2026-15289

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