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CVE-2026-8176— LatePoint <= 5.5.1 - Authenticated (Agent+) Privilege Escalation to Administrator via IDOR in OsOrdersController::create_or_update + Unauthenticated Customer-Cabinet Password Reset

Quick assessment

Affected
latepoint LatePoint – Calendar Booking Plugin for Appointments and Events
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.

latepoint LatePoint – Calendar Booking Plugin for Appointments and Events是latepoint个人开发者的日历预订插件。 LatePoint – Calendar Booking Plugin for Appointments and Events 5.5.1及之前版本存在安全漏洞，该漏洞源于连锁三个独立缺陷允许已认证的Agent（Agent+）覆盖WordPress管理员密码，且无需调用管理员专用API，可能导致经过身份验证的攻击者

CVSS 7.5 · High EPSS 0.61% · P47

Affected Version Matrix 1

VendorProduct Version RangeStatus
latepoint LatePoint – Calendar Booking Plugin for Appointments and Events ≤ 5.5.1 affected
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I. Basic Information for CVE-2026-8176

Vulnerability Information
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Vulnerability Title
LatePoint <= 5.5.1 - Authenticated (Agent+) Privilege Escalation to Administrator via IDOR in OsOrdersController::create_or_update + Unauthenticated Customer-Cabinet Password Reset
Source: CVE Program / CVE List V5
Vulnerability Description
The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Privilege Escalation to Administrator in versions up to, and including, 5.5.1. The plugin chains three independent flaws that together allow an authenticated Agent (Agent+) to overwrite a WordPress Administrator's password without ever invoking an Administrator-only API. This makes it possible for authenticated attackers, with Agent access and above, to elevate their privileges to Administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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
Vulnerability Title
LatePoint – Calendar Booking Plugin for Appointments and Events 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
latepoint LatePoint – Calendar Booking Plugin for Appointments and Events是latepoint个人开发者的日历预订插件。 LatePoint – Calendar Booking Plugin for Appointments and Events 5.5.1及之前版本存在安全漏洞，该漏洞源于连锁三个独立缺陷允许已认证的Agent（Agent+）覆盖WordPress管理员密码，且无需调用管理员专用API，可能导致经过身份验证的攻击者
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
latepoint LatePoint – Calendar Booking Plugin for Appointments and Events 0 ~ 5.5.1 -

II. Public POCs for CVE-2026-8176

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III. Intelligence Information for CVE-2026-8176

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Patches & Fixes for CVE-2026-8176 (10)

Vendor Advisories for CVE-2026-8176 (1)

Other References for CVE-2026-8176 (4)

IV. Related Vulnerabilities

Same product: LatePoint – Calendar Booking Plugin for Appointments and Events
Same vendor: latepoint
Same weakness: CWE-269

V. Comments for CVE-2026-8176

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