Weaknesses of type CWE-434

3,091 results

Upload sem restrição de arquivo com tipo perigoso

Ocorre quando uma aplicação aceita upload de arquivos sem validar adequadamente seu tipo, extensão ou conteúdo. Um atacante pode enviar executáveis, scripts ou outros arquivos maliciosos, que serão armazenados ou executados no servidor, comprometendo sua integridade e segurança.

Example

Um formulário de perfil aceita qualquer arquivo como 'foto do usuário' sem checar extensão ou MIME type. Um atacante envia um arquivo .exe ou .php renomeado como .jpg, que é salvo no diretório web e posteriormente executado quando acessado, permitindo execução de código remoto.

How to mitigate

Valide uploads checando MIME type real (não apenas extensão), restrinja tipos permitidos de forma explícita, armazene arquivos fora da raiz web, desabilite execução de scripts no diretório de upload e considere usar vírus scanner. Implemente whitelist rigorosa, nunca blacklist.

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%