Falhas do tipo CWE-434

3.086 resultados

Upload irrestrito de arquivo com tipo perigoso

A aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos que serão armazenados ou executados no servidor. O risco aumenta se o arquivo for salvo em diretório acessível pela web ou em local onde será processado automaticamente.

Exemplo

Um sistema de upload de 'fotos de perfil' verifica apenas o tamanho do arquivo, mas não valida a extensão. Um atacante envia um arquivo .php disfarçado de imagem; se salvo em /uploads/ acessível via web, ele consegue executar código PHP no servidor ao acessar a URL direta.

Como mitigar

Valide extensões contra uma lista branca (whitelist) de tipos permitidos, verifique a assinatura do arquivo (magic bytes) e não confie apenas no Content-Type do cliente. Armazene uploads fora do diretório web ou configure o servidor para não executar scripts no diretório de uploads.

CVE-2025-70457CRITICALA Remote Code Execution (RCE) vulnerability exists in Sourcecodester Modern Image Gallery App v1.0 within the gallery/upload.php component. EPSS 0.9%CVE-2024-13359HIGHProduct Input Fields for WooCommerce <= 1.12.0 - Unauthenticated Limited File UploadEPSS 0.9%CVE-2025-1355MEDIUMneedyamin Library Card System Add Picture signup.php unrestricted uploadEPSS 0.9%CVE-2023-40265HIGHAn issue was discovered in Atos Unify OpenScape Xpressions WebAssistant V7 before V7R1 FR5 HF42 P911. It allows authenticated remote code exEPSS 0.9%CVE-2023-27397CRITICALUnrestricted upload of file with dangerous type exists in MicroEngine Mailform version 1.1.0 to 1.1.8. If the product's file upload functionEPSS 0.9%CVE-2024-37847CRITICALAn arbitrary file upload vulnerability in MangoOS before 5.1.4 and Mango API before 4.5.5 allows attackers to execute arbitrary code via a cEPSS 0.9%CVE-2022-50936HIGHWBCE CMS 1.5.2 - Remote Code Execution (RCE) (Authenticated)EPSS 0.9%CVE-2024-2381HIGHAliExpress Dropshipping with AliNext Lite <= 3.3.5 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 0.9%CVE-2024-1036HIGHopenBI Icon Screen.php uploadIcon unrestricted uploadEPSS 0.9%CVE-2024-3436MEDIUMSourceCodester Prison Management System Avatar edit-photo.php unrestricted uploadEPSS 0.9%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-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%