Fallos del tipo CWE-434

3091 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-2022-40200CRITICALWordPress wpForo Forum plugin <= 2.0.9 - Auth. Arbitrary File Upload vulnerabilityEPSS 1.0%CVE-2023-0924HIGHZyrex Popup <= 1.0 - Admin+ Arbitrary File UploadEPSS 1.0%CVE-2023-48376CRITICALSmartStar Software CWS Web-Base - Arbitrary File UploadEPSS 1.0%CVE-2022-2804MEDIUMSourceCodester Zoo Management System apply_vacancy.php unrestricted uploadEPSS 1.0%CVE-2023-48371CRITICALITPison OMICARD EDM 's SMS - Arbitrary File UploadEPSS 1.0%CVE-2021-3915HIGHUnrestricted Upload of File with Dangerous Type in bookstackapp/bookstackEPSS 1.0%CVE-2024-51152HIGHFile Upload vulnerability in Laravel CMS v.1.4.7 and before allows a remote attacker to execute arbitrary code via the shell.php a componentEPSS 1.0%CVE-2026-25510CRITICALCI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File EditorEPSS 1.0%CVE-2025-2525HIGHStreamit <= 4.0.1 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 1.0%CVE-2022-3129MEDIUMcodeprojects Online Driving School registration.php unrestricted uploadEPSS 1.0%CVE-2023-53921HIGHSitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File UploadEPSS 1.0%CVE-2022-1206HIGHAdRotate – Ad manager & AdSense Ads <= 5.13.2 - Authenticated (Admin+) Double Extension Arbitrary File UploadEPSS 1.0%CVE-2024-7384HIGHAcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive FunctionEPSS 1.0%CVE-2023-0714HIGHMetform Elementor Contact Form Builder <= 3.2.4 - Unauthenticated Double-Extension Arbitrary File UploadEPSS 1.0%CVE-2024-6123HIGHBit Form <= 2.13.3 - Authenticated (Administrator+) Arbitrary File UploadEPSS 1.0%CVE-2023-3625MEDIUMSuncreate Mountain Flood Disaster Prevention Monitoring and Early Warning System Duty Write-UploadFile UploadFile.ashx unrestricted uploadEPSS 1.0%CVE-2023-3626MEDIUMSuncreate Mountain Flood Disaster Prevention Monitoring and Early Warning System UpLoadFloodPlanFile UpLoadFloodPlanFile.ashx unrestricted uploadEPSS 1.0%CVE-2026-40488HIGHOpenMage LTS has Customer File Upload Extension Blocklist Bypass that Leads to Remote Code ExecutionEPSS 1.0%CVE-2026-84147CRITICALRemote Code Execution Vulnerability in Manacle Technologies ERP SystemEPSS 1.0%CVE-2020-7864HIGHRaonwiz DEXT5 Editor File upload and Execution vulnerabilityEPSS 1.0%