Weaknesses of type CWE-434

3,096 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-2024-27283HIGHA vulnerability was discovered in Veritas eDiscovery Platform before 10.2.5. The application administrator can upload potentially malicious EPSS 0.7%CVE-2024-8166MEDIUMRuijie EG2000K index.php unrestricted uploadEPSS 0.7%CVE-2025-4561HIGHKinfor KFOX - Arbitrary File UploadEPSS 0.7%CVE-2025-6802CRITICALMarvell QConvergeConsole getFileFromURL Unrestricted File Upload Remote Code Execution VulnerabilityEPSS 0.7%CVE-2024-6439MEDIUMSourceCodester Home Owners Collection Management System unrestricted uploadEPSS 0.7%CVE-2025-44139HIGHEmlog Pro V2.5.7 is vulnerable to Unrestricted Upload of File with Dangerous Type via /emlog/admin/plugin.php?action=upload_zipEPSS 0.7%CVE-2024-1259MEDIUMJuanpao JPShop API AppController.php unrestricted uploadEPSS 0.7%CVE-2026-3749MEDIUMBytedesk SVG File UploadRestService.java handleFileUpload unrestricted uploadEPSS 0.7%CVE-2021-24960—WordPress File Upload < 4.16.3 - Contributor+ Stored Cross-Site Scripting via Malicious SVGEPSS 0.7%CVE-2024-7500MEDIUMitsourcecode Airline Reservation System admin_class.php save_settings unrestricted uploadEPSS 0.7%CVE-2021-4443CRITICALWordPress Mega Menu <= 2.0.6 - Arbitrary File CreationEPSS 0.7%CVE-2024-4921MEDIUMSourceCodester Employee and Visitor Gate Pass Logging System unrestricted uploadEPSS 0.7%CVE-2024-58349CRITICALWordPress Theme Travelscape 1.0.3 Arbitrary File UploadEPSS 0.7%CVE-2025-1598MEDIUMSourceCodester Best Church Management Software asset_crud.php unrestricted uploadEPSS 0.7%CVE-2024-29661CRITICALA File Upload vulnerability in DedeCMS v5.7 allows a local attacker to execute arbitrary code via a crafted payload.EPSS 0.7%CVE-2023-39307HIGHWordPress Avada theme <= 7.11.1 - Authenticated Arbitrary File Upload vulnerabilityEPSS 0.7%CVE-2024-4946MEDIUMSourceCodester Online Art Gallery Management System adminHome.php unrestricted uploadEPSS 0.7%CVE-2024-1818MEDIUMCodeAstro Membership Management System Logo unrestricted uploadEPSS 0.7%CVE-2026-18080CRITICALERP: Complete HR, Accounting & CRM Suite Built for WooCommerce <= 1.17.8 - Unauthenticated Arbitrary File Upload via CRM Email Connect IMAP AttachmentEPSS 0.7%CVE-2025-0702MEDIUMJoeyBling bootplus SysFileController.java unrestricted uploadEPSS 0.7%