CVE-2026-100163— Appointment Booking <=5.7.2 认证绕过致账户接管
一分钟漏洞结论
影响对象
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
WordPress 插件 Appointment Booking Plugin – LatePoint 这使得拥有 Subscriber 及以上权限的已认证攻击者，能够接管另一个客户的 LatePoint 账户。攻击者只需注册一个用户名（user_login）等于受害者电子邮件地址的 Subscriber 账户，并发起一次未经认证的公开预约步骤注册请求，即可实现账户劫持。成功劫持后，攻击者可以访问受害者的预约、服务、代理及日历数据；并且在受害者下次登录时，其电子邮件地址将被攻击者的电子邮件地址覆盖。
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| latepoint | Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress | ≤ 5.7.2 |
affected |
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一、 漏洞 CVE-2026-100163 基础信息
漏洞信息
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Vulnerability Title
Appointment Booking Plugin <= 5.7.2 - Unauthenticated Authentication Bypass to Customer Account Takeover via Insufficient Verification in create_wp_user_for_customer() username_exists Fallback
来源: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 5.7.2 via the OsCustomerHelper::create_wp_user_for_customer() helper reached from the public process_step_customer() booking step. When the 'Use WordPress users as customers' option is enabled, the helper falls back from email_exists() to username_exists( $customer->email ), which matches any WordPress user whose user_login equals the victim customer's email even when that user's user_email is completely different, and links that WordPress user's ID into the victim's LatePoint customer row (only privileged roles are excluded; Subscriber is allowed). This makes it possible for authenticated attackers, with Subscriber-level access and above, to take over another customer's LatePoint account — accessing their bookings, service, agent, and calendar data, and having the victim customer's email overwritten with the attacker's on next login — by holding a Subscriber account whose user_login equals the victim's email and submitting an unauthenticated public booking step registration request.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| latepoint | Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress | 0 ~ 5.7.2 | - |
|
二、漏洞 CVE-2026-100163 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
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CVE-2026-100163 其他参考 (4)
同批安全公告 · latepoint · 2026-10-14 · 共 3 条
| CVE-2026-103366 | 7.5 HIGH | Appointment Booking <=5.7.3 直接对象引用致敏感信息泄露 |
| CVE-2026-103380 | 4.3 MEDIUM | Appointment Booking插件≤5.7.3存在已认证用户敏感信息泄露漏洞 |
IV. Related Vulnerabilities
Same vendor: latepoint
V. Comments for CVE-2026-100163
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