WPGSI: Spreadsheet Integration <= 3.8.3 - Missing Authorization to Unauthenticated Arbitrary Post Creation and Deletion via Forged Base64 Token
The WPGSI: Spreadsheet Integration plugin for WordPress is vulnerable to unauthorized modification and loss of data due to missing capability checks and an insecure authentication mechanism on the wpgsi_callBackFuncAccept and wpgsi_callBackFuncUpdate REST API functions in all versions up to, and including, 3.8.3. Both REST endpoints use permission_callback => '__return_true', allowing unauthenticated access. The plugin's custom token-based validation relies on a Base64-encoded JSON object containing the user ID and email address, but is not cryptographically signed. This makes it possible for unauthenticated attackers to forge tokens using publicly enumerable information (admin user ID and email) to create, modify, and delete arbitrary WordPress posts and pages, granted they know the administrator's email address and an active integration ID with remote updates enabled.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Plugin de WordPress | WPGSI: Spreadsheet Integration | <= 3.8.3 | 3.8.4 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Debilidad (CWE)
CWE-862- Plataforma
- WordPress
- Paquete
WPGSI: Spreadsheet Integration- Publicada
- 24.02.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
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Historial de vulnerabilidades: WPGSI: Spreadsheet Integration
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
- 7
- Primera → última
- 12.2021 02.2026
- Sin corrección
- 1
- Explotada en ataques
- 0
Distribución por gravedad
- Alta 2
- Media 5
Divulgaciones por año
- 2021: 2
- 2022: 1
- 2023: 1
- 2024: 1
- 2025: 1
- 2026: 1
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WPGSI: Spreadsheet Integration <= 3.8.3 - Missing Authorization to Unauthenticated Arbitrary Post Creation and Deletion via Forged Base64 Token esta entrada
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