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CVE-2026-104766— Appointment Booking Plugin <= 5.7.3 - Authenticated (Custom+) Privilege Escalation to 'settings[default_wp_role_for_customer]' Parameter

Quick assessment

Affected
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
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 插件 Appointment Booking Plugin – LatePoint 因此，持有 LatePoint 角色且具备 能力（例如代理或自定义角色）的已认证攻击者，可将新客户的默认 WordPress 角色覆写为 （管理员）。此后，通过 LatePoint 自行注册的任何新客户账户都将被赋予完整的 WordPress 管理员权限。 利用此漏洞需满足以下条件：WordPress 管理员已向 LatePoint 代理或自定义角色授予了 能力，并且在该恶意设置变更被持久化之后，有新客户通过 L

CVSS 8.8 · High EPSS 0.30% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress ≤ 5.7.3 affected
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I. Basic Information for CVE-2026-104766

Vulnerability Information
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Vulnerability Title
Appointment Booking Plugin <= 5.7.3 - Authenticated (Custom+) Privilege Escalation to 'settings[default_wp_role_for_customer]' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 5.7.3. This is due to the `OsSettingsController::update()` handler iterating over attacker-supplied `settings` parameters without an allowlist of permitted setting names or values, and `OsSettingsHelper::prepare_value()` performing no role allowlist validation before persisting the `default_wp_role_for_customer` setting — a restriction that exists only in the UI dropdown and is never enforced server-side. This makes it possible for authenticated attackers holding a LatePoint role with the `settings__edit` capability (such as an agent or custom role) to overwrite the default WordPress role for new customers with `administrator`, causing any subsequently self-registered LatePoint customer account to be created with full WordPress administrator privileges. Exploitation requires that a WordPress administrator has granted the `settings__edit` capability to a LatePoint agent or custom role, and that a new customer account is registered through LatePoint after the malicious setting change is persisted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress 0 ~ 5.7.3 -

II. Public POCs for CVE-2026-104766

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III. Intelligence Information for CVE-2026-104766

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Patches & Fixes for CVE-2026-104766 (2)

Vendor Advisories for CVE-2026-104766 (1)

Other References for CVE-2026-104766 (1)

Same Patch Batch · latepoint · 2026-10-10 · 3 CVEs total

CVE-2026-96662 7.5 HIGH Appointment Booking Plugin <= 5.7.2 - Unauthenticated SQL Injection via 'booking[service_i
CVE-2026-91050 4.3 MEDIUM Appointment Booking Plugin <= 5.7.2 - Insecure Direct Object Reference to Authenticated (S

IV. Related Vulnerabilities

Same product: Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Same vendor: latepoint
Same weakness: CWE-269

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