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-2024-7903MEDIUMDedeBIZ File Extension media_add.php unrestricted uploadEPSS 0.7%CVE-2022-34482HIGHAn attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contaEPSS 0.7%CVE-2022-34483HIGHAn attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contaEPSS 0.7%CVE-2021-27771HIGHHCL Sametime is susceptible a file transfer service vulnerabilityEPSS 0.7%CVE-2024-8341MEDIUMSourceCodester Petshop Management System add_user.php unrestricted uploadEPSS 0.7%CVE-2023-1497MEDIUMSourceCodester Simple and Nice Shopping Cart Script uploaderm.php unrestricted uploadEPSS 0.7%CVE-2024-52769HIGHAn arbitrary file upload vulnerability in the component /admin/friendlink_edit of DedeBIZ v6.3.0 allows attackers to execute arbitrary code EPSS 0.7%CVE-2023-0918MEDIUMcodeprojects Pharmacy Management System Avatar Image add.php unrestricted uploadEPSS 0.7%CVE-2026-2334CRITICAL) Missing Server-Side File Extension Validation in vsDeskEPSS 0.7%CVE-2023-2776MEDIUMcode-projects Simple Photo Gallery unrestricted uploadEPSS 0.7%CVE-2025-27683HIGHVasion Print (formerly PrinterLogic) before Virtual Appliance Host 1.0.735 Application 20.0.1330 allows Driver Unrestricted Upload of File wEPSS 0.7%CVE-2012-10064CRITICALOmni Secure Files < 0.1.14 Unauthenticated Arbitrary File UploadEPSS 0.7%CVE-2025-39436CRITICALWordPress I Draw <= 1.0 - Arbitrary File Upload VulnerabilityEPSS 0.7%CVE-2024-4825CRITICALUnrestricted Upload of File with Dangerous Type vulnerability on Cockpit CMS from AgentejoEPSS 0.7%CVE-2024-51366CRITICALAn arbitrary file upload vulnerability in the component \Roaming\Omega of OmegaT v6.0.1 allows attackers to execute arbitrary code via uploaEPSS 0.7%CVE-2021-34619HIGHCross-Site Request Forgery in WooCommerce Stock Manager WordPress PluginEPSS 0.7%CVE-2024-32161CRITICALjizhiCMS 2.5 suffers from a File upload vulnerability.EPSS 0.7%CVE-2023-41788HIGHRemote Code Execution via File UploaderEPSS 0.7%CVE-2026-75169HIGHAn arbitrary file upload vulnerability in /cgi-bin/ugwupload.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authentiEPSS 0.7%CVE-2024-51499HIGHMarkUs Arbitrary File Write leading up to remote code execution (student accounts)EPSS 0.7%