Fallos del tipo CWE-434

3096 resultados

Upload irrestrito de arquivo com tipo perigoso

Ocorre quando a aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos. O risco é grave: o arquivo pode ser armazenado em local acessível pela web, executado pelo servidor, ou baixado e executado pela vítima.

Ejemplo

Um formulário de perfil aceita qualquer arquivo como 'foto', sem verificação. Alguém faz upload de um .exe ou .php; se salvo em pasta pública e com permissões erradas, o arquivo pode ser executado pelo servidor ou baixado por outros usuários.

Cómo mitigar

Valide a extensão e o tipo MIME no servidor (nunca apenas no cliente), rejeite extensões perigosas explicitamente, armazene uploads fora da raiz web ou sem permissão de execução, e considere renomear arquivos removendo extensão original. Idealmente, converta imagens para formatos seguros (PNG/JPG) após upload.

CVE-2024-51499HIGHMarkUs Arbitrary File Write leading up to remote code execution (student accounts)EPSS 0.7%CVE-2023-5796MEDIUMCodeAstro POS System Logo setting unrestricted uploadEPSS 0.7%CVE-2024-5145MEDIUMSourceCodester Vehicle Management System HTTP POST Request newdriver.php unrestricted uploadEPSS 0.7%CVE-2025-47787HIGHEmlog Pro Contains a File Upload VulnerabilityEPSS 0.7%CVE-2024-4923MEDIUMCodezips E-Commerce Site addproduct.php unrestricted uploadEPSS 0.7%CVE-2023-32628HIGH In Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file upload vulnerability that could allow an attacker to modify thEPSS 0.7%CVE-2022-41217CRITICALCloudflow - Unauthenticated file upload vulnerabilityEPSS 0.7%CVE-2026-10818HIGHWPForms Pro <= 1.10.1.1 - Unauthenticated Arbitrary File Write via Chunked Upload Init/Finalize OrderingEPSS 0.7%CVE-2024-31615CRITICALThinkCMF 6.0.9 is vulnerable to File upload via UeditorController.php.EPSS 0.7%CVE-2024-10120MEDIUMwfh45678 Radar upload unrestricted uploadEPSS 0.7%CVE-2026-22766HIGHDell Wyse Management Suite, versions prior to WMS 5.5, contain an Unrestricted Upload of File with Dangerous Type vulnerability. A high privEPSS 0.7%CVE-2023-26686CRITICALFile Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the image upload feature when custEPSS 0.7%CVE-2024-12954MEDIUM1000 Projects Portfolio Management System MCA update_ach.php unrestricted uploadEPSS 0.7%CVE-2025-34328CRITICALAudioCodes Fax/IVR Appliance <= 2.6.23 Unauthenticated File Upload RCE via ajaxScript.phpEPSS 0.7%CVE-2024-40425CRITICALFile Upload vulnerability in Nanjin Xingyuantu Technology Co Sparkshop (Spark Mall B2C Mall v.1.1.6 and before allows a remote attacker to eEPSS 0.7%CVE-2024-12953MEDIUM1000 Projects Portfolio Management System MCA update_pd_process.php unrestricted uploadEPSS 0.7%CVE-2024-35527CRITICALAn arbitrary file upload vulnerability in /fileupload/upload.cfm in Daemon PTY Limited FarCry Core framework before 7.2.14 allows attackers EPSS 0.7%CVE-2026-13165HIGHRemote Code Execution in SzafirHostEPSS 0.7%CVE-2026-44088HIGHRemote Code Execution in SzafirHostEPSS 0.7%CVE-2026-5482CRITICALRemote Code Execution via Unrestricted File Upload in Responsive FileManagerEPSS 0.7%