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CVE-2025-12166— Simply Schedule Appointments <= 1.6.9.9 - Unauthenticated SQL Injection via `order` and `append_where_sql` Parameters

Quick assessment

Affected
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin 1.6.9.9及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的

CVSS 7.5 · High EPSS 0.33% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-12166

Vulnerability Information
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Vulnerability Title
Simply Schedule Appointments <= 1.6.9.9 - Unauthenticated SQL Injection via `order` and `append_where_sql` Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to blind SQL Injection via the `order` and `append_where_sql` parameters in all versions up to, and including, 1.6.9.9 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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 plugin Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin 1.6.9.9及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的
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
croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin * ~ 1.6.9.9 -

II. Public POCs for CVE-2025-12166

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III. Intelligence Information for CVE-2025-12166

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IV. Related Vulnerabilities

Same product: Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
Same vendor: croixhaug
Same weakness: CWE-89

V. Comments for CVE-2025-12166

Anonymous User
2026-01-15 06:08:07

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