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CVE-2026-6072— Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to 'OliverAuth' Header

Quick assessment

Affected
oliverpos Oliver POS – A WooCommerce Point of Sale (POS)
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 Oliver POS 2.4.2.6及之前版本存在安全漏洞，该漏洞源于通过用户控制密钥绕过授权，可能导致未经身份验证的攻击者绕过身份验证并完全访问POS API端点，读取用户数据、更新用户资料和删除非管理员用户。

CVSS 6.5 · Medium EPSS 0.61% · P47

Affected Version Matrix 1

VendorProduct Version RangeStatus
oliverpos Oliver POS – A WooCommerce Point of Sale (POS) ≤ 2.4.2.6 affected
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I. Basic Information for CVE-2026-6072

Vulnerability Information
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Vulnerability Title
Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to 'OliverAuth' Header
Source: CVE Program / CVE List V5
Vulnerability Description
The Oliver POS – A WooCommerce Point of Sale (POS) plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to and including 2.4.2.6. The plugin protects its entire /wp-json/pos-bridge/* REST API namespace through the oliver_pos_rest_authentication() permission callback, which uses a loose PHP comparison (==) to compare the attacker-supplied 'OliverAuth' header value against the 'oliver_pos_authorization_token' option. On fresh installations where the admin has not yet completed the connection flow, this option is unset (get_option returns false). Due to PHP's type juggling, the loose comparison '0' == false evaluates to true, allowing an unauthenticated attacker to bypass authentication by sending 'OliverAuth: 0'. This grants full access to all POS API endpoints, enabling attackers to read user data (including administrator details), update user profiles (including email addresses), and delete non-admin users. An admin account email reset can lead to site takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Oliver POS 安全漏洞
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 Oliver POS 2.4.2.6及之前版本存在安全漏洞，该漏洞源于通过用户控制密钥绕过授权，可能导致未经身份验证的攻击者绕过身份验证并完全访问POS API端点，读取用户数据、更新用户资料和删除非管理员用户。
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
oliverpos Oliver POS – A WooCommerce Point of Sale (POS) 0 ~ 2.4.2.6 -

II. Public POCs for CVE-2026-6072

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III. Intelligence Information for CVE-2026-6072

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Patches & Fixes for CVE-2026-6072 (7)

Vendor Advisories for CVE-2026-6072 (1)

IV. Related Vulnerabilities

Same product: Oliver POS – A WooCommerce Point of Sale (POS)
Same vendor: oliverpos
Same weakness: CWE-639

V. Comments for CVE-2026-6072

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