Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to 'OliverAuth' Header
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.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Plugin de WordPress | Oliver POS – WooCommerce POS for iPhone, iPad & Android | <= 2.4.2.6 | 4.5.4 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N- Debilidad (CWE)
CWE-639- Plataforma
- WordPress
- Paquete
Oliver POS – WooCommerce POS for iPhone, iPad & Android- Publicada
- 19.05.2026
- Actualizado
- 11.10.2026 10:23
Fuentes y licencias
Wordfence Intelligence - ca6aa922-9c58-445c-b88a-3d1d1c95102c - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
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Historial de vulnerabilidades: Oliver POS – WooCommerce POS for iPhone, iPad & Android
Todas las vulnerabilidades publicadas de este paquete (Plugin de WordPress), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 4
- Primera → última
- 02.2024 05.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 1
- Media 2
Divulgaciones por año
- 2024: 2
- 2025: 1
- 2026: 1
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Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to 'OliverAuth' Header esta entrada
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