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CVE-2026-3892: Arbitrary File Access in Motors Plugin
Plataforma
wordpress
Componente
motors-car-dealership-classified-listings
Corregido en
1.4.108
CVE-2026-3892 is an arbitrary file access vulnerability discovered in the Motors – Car Dealership & Classified Listings Plugin for WordPress. This flaw allows authenticated users, even those with subscriber-level access, to delete files on the server. The vulnerability impacts versions 1.0.0 through 1.4.107, and a patch is available in version 1.4.108.
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Impacto y Escenarios de Ataquetraduciendo…
An attacker exploiting this vulnerability can delete critical system files, potentially leading to a complete compromise of the WordPress installation. This could include deleting configuration files, database connections, or even core WordPress files. The ability to delete arbitrary files grants significant control over the server, enabling attackers to disrupt operations, steal sensitive data, or install malicious code. While requiring authentication, the low privilege level needed (subscriber) expands the potential attack surface significantly, as many WordPress sites have numerous users with this access level.
Contexto de Explotacióntraduciendo…
This vulnerability was published on 2026-05-14. Currently, there are no known public exploits or active campaigns targeting this specific vulnerability. The ease of exploitation, combined with the widespread use of WordPress and the plugin, suggests it could become a target for opportunistic attackers. Monitor security advisories and threat intelligence feeds for any indications of exploitation.
Inteligencia de Amenazas
Estado del Exploit
CISA SSVC
Vector CVSS
¿Qué significan estas métricas?
- Attack Vector
- Red — explotable remotamente por internet. Sin acceso físico ni local. Mayor superficie de ataque.
- Attack Complexity
- Baja — sin condiciones especiales. El atacante puede explotar de forma confiable sin configuraciones raras.
- Privileges Required
- Bajo — cualquier cuenta de usuario válida es suficiente.
- User Interaction
- Ninguna — el ataque es automático y silencioso. La víctima no hace nada.
- Scope
- Sin cambio — el impacto se limita al componente vulnerable.
- Confidentiality
- Ninguno — sin impacto en confidencialidad.
- Integrity
- Alto — el atacante puede escribir, modificar o eliminar cualquier dato.
- Availability
- Alto — caída completa o agotamiento de recursos. Denegación de servicio total.
Software Afectado
Clasificación de Debilidad (CWE)
Cronología
- Reservado
- Publicada
Mitigación y Workaroundstraduciendo…
The primary mitigation is to immediately upgrade the Motors plugin to version 1.4.108 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider restricting file upload permissions for users with subscriber roles. Implement a Web Application Firewall (WAF) rule to block requests containing suspicious file paths in the logo upload parameter. Regularly review user permissions and ensure the principle of least privilege is enforced. After upgrading, confirm the fix by attempting to upload a file with a deliberately invalid path and verifying that the upload fails with an appropriate error message.
Cómo corregirlo
Actualizar a la versión 1.4.108, o una versión parcheada más reciente
Preguntas frecuentestraduciendo…
What is CVE-2026-3892 — Arbitrary File Access in Motors Plugin?
CVE-2026-3892 is a HIGH severity vulnerability in the Motors plugin for WordPress, allowing authenticated users to delete arbitrary files on the server due to insufficient file path validation during logo uploads.
Am I affected by CVE-2026-3892 in Motors Plugin?
You are affected if your WordPress site uses the Motors plugin and is running version 1.0.0 through 1.4.107. Check your plugin version immediately.
How do I fix CVE-2026-3892 in Motors Plugin?
Upgrade the Motors plugin to version 1.4.108 or later to resolve the vulnerability. If immediate upgrade is not possible, restrict file upload permissions for subscriber roles and implement WAF rules.
Is CVE-2026-3892 being actively exploited?
As of the publication date, there are no known public exploits or active campaigns targeting CVE-2026-3892, but the vulnerability's ease of exploitation makes it a potential target.
Where can I find the official Motors plugin advisory for CVE-2026-3892?
Refer to the official Motors plugin website or WordPress plugin repository for the latest advisory and update information regarding CVE-2026-3892.
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