Weaknesses of type CWE-434

3,098 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-2026-9182CRITICALUnvalidated File Upload vulnerability in ArcGIS Server.EPSS 0.6%CVE-2024-7192MEDIUMitsourcecode Society Management System student.php unrestricted uploadEPSS 0.6%CVE-2024-10161MEDIUMPHPGurukul Boat Booking System Update Boat Image Page change-image.php unrestricted uploadEPSS 0.6%CVE-2024-5734MEDIUMitsourcecode Online Discussion Forum poster.php unrestricted uploadEPSS 0.6%CVE-2025-2115MEDIUMzzskzy Warehouse Refinement Management System AcceptZip.ashx ProcessRequest unrestricted uploadEPSS 0.6%CVE-2021-47943HIGHTextPattern CMS 4.8.7 Remote Code Execution via File UploadEPSS 0.6%CVE-2023-7330CRITICALRuijie Networks NBR Routers Unauthenticated Arbitrary File Upload via fileupload.phpEPSS 0.6%CVE-2023-51473CRITICALWordPress TerraClassifieds Plugin <= 2.0.3 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2024-48734HIGHUnrestricted file upload in /SASStudio/SASStudio/sasexec/{sessionID}/{InternalPath} in SAS Studio 9.4 allows remote attacker to upload malicEPSS 0.6%CVE-2020-36882HIGHFlexsense DiskBoss Application Crash Denial of ServiceEPSS 0.6%CVE-2023-51411CRITICALWordPress Frontend Admin by DynamiApps Plugin <= 3.18.3 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2024-11211MEDIUMEyouCMS Website Logo unrestricted uploadEPSS 0.6%CVE-2026-56702HIGHAdminer before 5.4.3 Unrestricted File Upload via AdminerFileUploadEPSS 0.6%CVE-2025-29411CRITICALAn arbitrary file upload vulnerability in the Client Profile Update section of Mart Developers iBanking v2.0.0 allows attackers to execute aEPSS 0.6%CVE-2025-3234HIGHFile Manager Pro – Filester <= 1.8.8 - Authenticated (Administrator+) Arbitrary File UploadEPSS 0.6%CVE-2025-10412CRITICALProduct Options and Price Calculation Formulas for WooCommerce – Uni CPO (Premium) <= 4.9.55 - Unauthenticated Arbitrary File Upload via 'uni_cpo_upload_file'EPSS 0.6%CVE-2025-4102HIGHBeaver Builder Plugin (Starter Version) <= 2.9.1 - Authenticated (Administrator+) Arbitrary File UploadEPSS 0.6%CVE-2025-9113CRITICALDoccure Core <= 1.5.3 - Unauthenticated Arbitrary File UploadEPSS 0.6%CVE-2024-11674MEDIUMCodeAstro Hospital Management System his_doc_update-account.php unrestricted uploadEPSS 0.6%CVE-2025-12775HIGHWP Dropzone <= 1.1.0 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 0.6%