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CVE-2026-3892: Arbitrary File Access in Motors Plugin
Plataforma
wordpress
Componente
motors-car-dealership-classified-listings
Corrigido em
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 e Cenários de Ataquetraduzindo…
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 Exploraçãotraduzindo…
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.
Inteligência de Ameaças
Status do Exploit
CISA SSVC
Vetor CVSS
O que significam essas métricas?
- Attack Vector
- Rede — explorável remotamente pela internet. Sem acesso físico ou local necessário.
- Attack Complexity
- Baixa — sem condições especiais. O atacante pode explorar de forma confiável.
- Privileges Required
- Baixo — qualquer conta de usuário válida é suficiente.
- User Interaction
- Nenhuma — ataque automático e silencioso. A vítima não faz nada.
- Scope
- Inalterado — impacto limitado ao componente vulnerável.
- Confidentiality
- Nenhum — sem impacto na confidencialidade.
- Integrity
- Alto — o atacante pode escrever, modificar ou excluir qualquer dado.
- Availability
- Alto — falha completa ou esgotamento de recursos. Negação de serviço total.
Software Afetado
Classificação de Fraqueza (CWE)
Linha do tempo
- Reservado
- Publicada
Mitigação e Soluções Alternativastraduzindo…
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.
Como corrigir
Atualize para a versão 1.4.108, ou uma versão corrigida mais recente
Perguntas frequentestraduzindo…
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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