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CVE-2025-12842— Booking Plugin for WordPress Appointments – Time Slot <= 1.4.7 - Unauthenticated Arbitrary Email Sending

Quick assessment

Affected
timeslotplugins Time Slot – Booking and Appointment 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 Booking Plugin for WordPress Appointments 1.4.7及之前版本存在输入验证错误漏洞，该漏洞源于tslot_appt_email AJAX动作缺少验证，可能导致未验证攻击者发送

CVSS 5.3 · Medium EPSS 0.29% · P21
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I. Basic Information for CVE-2025-12842

Vulnerability Information
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Vulnerability Title
Booking Plugin for WordPress Appointments – Time Slot <= 1.4.7 - Unauthenticated Arbitrary Email Sending
Source: CVE Program / CVE List V5
Vulnerability Description
The Booking Plugin for WordPress Appointments – Time Slot plugin for WordPress is vulnerable to unauthorized email sending in versions up to, and including, 1.4.7 due to missing validation on the tslot_appt_email AJAX action. This makes it possible for unauthenticated attackers to send appointment notification emails to arbitrary recipients with attacker-controlled text content in certain email fields, potentially enabling the site to be abused for phishing campaigns or spam distribution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Booking Plugin for WordPress Appointments 输入验证错误漏洞
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 Booking Plugin for WordPress Appointments 1.4.7及之前版本存在输入验证错误漏洞，该漏洞源于tslot_appt_email AJAX动作缺少验证，可能导致未验证攻击者发送
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
timeslotplugins Booking Plugin for WordPress Appointments – Time Slot * ~ 1.4.7 -

II. Public POCs for CVE-2025-12842

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III. Intelligence Information for CVE-2025-12842

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Patches & Fixes for CVE-2025-12842 (2)

IV. Related Vulnerabilities

Same weakness: CWE-20

V. Comments for CVE-2025-12842

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