Fallos del tipo CWE-434

3093 resultados

Upload irrestrito de arquivo com tipo perigoso

Ocorre quando a aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos. O risco é grave: o arquivo pode ser armazenado em local acessível pela web, executado pelo servidor, ou baixado e executado pela vítima.

Ejemplo

Um formulário de perfil aceita qualquer arquivo como 'foto', sem verificação. Alguém faz upload de um .exe ou .php; se salvo em pasta pública e com permissões erradas, o arquivo pode ser executado pelo servidor ou baixado por outros usuários.

Cómo mitigar

Valide a extensão e o tipo MIME no servidor (nunca apenas no cliente), rejeite extensões perigosas explicitamente, armazene uploads fora da raiz web ou sem permissão de execução, e considere renomear arquivos removendo extensão original. Idealmente, converta imagens para formatos seguros (PNG/JPG) após upload.

CVE-2026-40750CRITICALWordPress Kids Online Store theme <= 0.8.9 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-40747CRITICALWordPress Ecommerce Zone theme <= 0.9.7 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-32536CRITICALWordPress Green Downloads plugin <= 2.08 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-42910CRITICALUnrestricted File Upload Vulnerability in SAP Supplier Relationship ManagementEPSS 0.5%CVE-2026-39589CRITICALWordPress Webenvo theme <= 0.0.6 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-27419CRITICALWordPress Zegen theme <= 1.1.9 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-72557HIGHCockpit CMS Cockpit CMS - Unrestricted File UploadEPSS 0.5%CVE-2026-32523CRITICALWordPress WPJAM Basic plugin <= 6.9.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-56027CRITICALWordPress Booster for WooCommerce plugin <= 8.0.1 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-22723CRITICALWordPress Barcode Scanner and Inventory manager plugin <= 1.6.7 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-55743HIGHUnoPim vulnerable to remote code execution through Arbitrary File uploadEPSS 0.5%CVE-2026-3797MEDIUMTiandy Video Surveillance System 视频监控平台 CLS_REST_File.java uploadFile unrestricted uploadEPSS 0.5%CVE-2026-55419MEDIUMReachy Mini: Unrestricted Upload of File with Dangerous TypeEPSS 0.5%CVE-2026-72762HIGHn8n before 1.123.67 Arbitrary File Write via Edit Image NodeEPSS 0.5%CVE-2023-23937HIGHMissing file upload type validation in pimcore/pimcoreEPSS 0.5%CVE-2023-53971HIGHWebTareas 2.4 Authenticated Remote Code Execution via File UploadEPSS 0.5%CVE-2026-34735HIGHHytale Modding Vulnerable to Remote Code Execution via File Upload Bypass in `FileController`EPSS 0.5%CVE-2026-1424MEDIUMPHPGurukul News Portal Profile Pic unrestricted uploadEPSS 0.5%CVE-2025-57148CRITICALphpgurukul Online Shopping Portal 2.0 is vulnerable to Arbitrary File Upload in /admin/insert-product.php, due to the lack of extension valiEPSS 0.5%CVE-2025-0341MEDIUMCampCodes Computer Laboratory Management System edit unrestricted uploadEPSS 0.5%