Weaknesses of type CWE-434

3,101 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-2024-10293MEDIUMZZCMS functions.php Ebak_SetGotoPak unrestricted uploadEPSS 0.5%CVE-2014-0468CRITICALVulnerability in fusionforge in the shipped Apache configuration, where the web server may execute scripts that the users would have uploadEPSS 0.5%CVE-2025-65783CRITICALAn arbitrary file upload vulnerability in the /utils/uploadFile component of Hubert Imoveis e Administracao Ltda Hub v2.0 1.27.3 allows attaEPSS 0.5%CVE-2025-56515HIGHFile upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG fiEPSS 0.5%CVE-2024-40744CRITICALExtension - tassos.gr - Unrestricted file upload in Convert Forms component for Joomla < 4.4.8EPSS 0.5%CVE-2026-25200CRITICALA vulnerability in MagicInfo9 Server allows authorized users to upload HTML files without authentication, leading to Stored XSS, which can rEPSS 0.5%CVE-2024-34990CRITICALIn the module "Help Desk - Customer Support Management System" (helpdesk) up to version 2.4.0 from FME Modules for PrestaShop, a customer caEPSS 0.5%CVE-2025-26872CRITICALWordPress Eximius theme <= 2.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2023-53869HIGHWEBIGniter 28.7.23 Unrestricted File Upload Remote Code ExecutionEPSS 0.5%CVE-2025-6843MEDIUMcode-projects Simple Photo Gallery upload-photo.php unrestricted uploadEPSS 0.5%CVE-2025-2973MEDIUMcode-projects College Management System student.php unrestricted uploadEPSS 0.5%CVE-2024-8463CRITICALFile upload restriction bypass vulnerability in Job PortalEPSS 0.5%CVE-2026-4220MEDIUMTechnologies Integrated Management Platform SetWebpagePic.jsp unrestricted uploadEPSS 0.5%CVE-2026-86272MEDIUMBeijing Meite Software Technology U+Smart Enjoyment WebSite UploadFormImg.ashx unrestricted uploadEPSS 0.5%CVE-2025-7878MEDIUMMetasoft 美特软件 MetaCRM upload2.jsp unrestricted uploadEPSS 0.5%CVE-2025-0213MEDIUMCampcodes Project Management System update_forms.php unrestricted uploadEPSS 0.5%CVE-2024-0192MEDIUMRRJ Nueva Ecija Engineer Online Portal Add Downloadable downloadable.php unrestricted uploadEPSS 0.5%CVE-2023-7054MEDIUMPHPGurukul Online Notes Sharing System add-notes.php unrestricted uploadEPSS 0.5%CVE-2024-52372CRITICALWordPress Easy CSV Importer plugin <= 7.0.0 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-52377CRITICALWordPress Instant Image Generator (One Click Image Uploads from Pixabay, Pexels and OpenAI) plugin <= 1.5.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%