Fallos del tipo CWE-434

3091 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-2023-53892HIGHBlackcat CMS 1.4 Remote Code Execution via Jquery Plugin ManagerEPSS 0.9%CVE-2023-1559MEDIUMSourceCodester Storage Unit Rental Management System unrestricted uploadEPSS 0.9%CVE-2026-6257CRITICALVvveb CMS < v1.0.8.2 Remote Code Execution via Media ManagementEPSS 0.9%CVE-2026-29186HIGH@backstage/plugin-techdocs-node: TechDocs Mkdocs Configuration Key Enables Arbitrary Code ExecutionEPSS 0.9%CVE-2025-34506HIGHWBCE CMS 1.6.3 Authenticated Remote Code Execution via Module UploadEPSS 0.9%CVE-2023-3623MEDIUMSuncreate Mountain Flood Disaster Prevention Monitoring and Early Warning System Duty Module UploadHandler.ashx unrestricted uploadEPSS 0.9%CVE-2022-0930HIGHFile upload filter bypass leading to stored XSS in microweber/microweberEPSS 0.9%CVE-2024-10960CRITICALBrizy – Page Builder <= 2.6.4 - Authenticated (Contributor+) Arbitrary File Upload via storeUploadsEPSS 0.9%CVE-2024-2849MEDIUMSourceCodester Simple File Manager unrestricted uploadEPSS 0.9%CVE-2025-25790CRITICALAn arbitrary file upload vulnerability in the component \controller\LocalTemplate.php of FoxCMS v1.2.5 allows attackers to execute arbitraryEPSS 0.9%CVE-2023-6887MEDIUMsaysky ForestBlog Image Upload img unrestricted uploadEPSS 0.9%CVE-2024-6311HIGHFunnelforms Free <= 3.7.3.2 - Authenticated (Administrator+) Arbitrary File UploadEPSS 0.9%CVE-2023-34007CRITICALWordPress Download Monitor Plugin <= 4.8.3 is vulnerable to Arbitrary File UploadEPSS 0.9%CVE-2024-4560CRITICALKognetiks Chatbot for WordPress <= 1.9.9 - Unauthenticated Arbitrary File Upload via chatbot_chatgpt_upload_file_to_assistant FunctionEPSS 0.9%CVE-2024-6314CRITICALIQ Testimonials <= 2.2.7 - Unauthenticated Arbitrary File UploadEPSS 0.9%CVE-2024-13981CRITICALLiveBos UploadFile.do Arbitrary File UploadEPSS 0.9%CVE-2026-81891HIGHelFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)EPSS 0.9%CVE-2023-45603CRITICALWordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File UploadEPSS 0.9%CVE-2023-27033CRITICALPrestashop cdesigner v3.1.3 to v3.1.8 was discovered to contain a code injection vulnerability via the component CdesignerSaverotateModuleFrEPSS 0.9%CVE-2022-0962CRITICALStored XSS viva .webma file upload in star7th/showdocEPSS 0.9%