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-2026-41269HIGHFlowise: File Upload Validation Bypass in createAttachmentEPSS 0.7%CVE-2026-1756HIGHWP FOFT Loader <= 2.1.39 - Authenticated (Author+) Arbitrary File UploadEPSS 0.7%CVE-2024-54214CRITICALWordPress Revy plugin <= 1.18 - Unauthenticated Arbitrary File Upload vulnerabilityEPSS 0.7%CVE-2026-25056CRITICALn8n Arbitrary File Write leading to RCE in n8n Merge NodeEPSS 0.7%CVE-2024-56050CRITICALWordPress WPLMS plugin < 1.9.9.5.3 - Subscriber+ Arbitrary File Upload vulnerabilityEPSS 0.7%CVE-2024-56052CRITICALWordPress WPLMS plugin < 1.9.9.5.2 - Student+ Arbitrary File Upload vulnerabilityEPSS 0.7%CVE-2024-47655HIGHUnrestricted File Upload VulnerabilityEPSS 0.7%CVE-2023-47784HIGHWordPress Slider Revolution Plugin <= 6.6.15 is vulnerable to Arbitrary File UploadEPSS 0.7%CVE-2026-24014CRITICALApache IoTDB: Path Traversal in DataNode Internal RPC Trigger JAR Upload Allows Arbitrary File WriteEPSS 0.7%CVE-2025-12138HIGHURL Image Importer <= 1.0.6 - Authenticated (Author+) Arbitrary File UploadEPSS 0.7%CVE-2024-1659CRITICALArbitrary File Upload in MegaBIPEPSS 0.7%CVE-2025-6161MEDIUMSourceCodester Simple Food Ordering System editproduct.php unrestricted uploadEPSS 0.7%CVE-2024-7506MEDIUMitsourcecode Tailoring Management System setlogo.php unrestricted uploadEPSS 0.7%CVE-2024-5049MEDIUMCodezips E-Commerce Site editproduct.php unrestricted uploadEPSS 0.7%CVE-2024-55078CRITICALAn arbitrary file upload vulnerability in the component /adminUser/updateImg of WukongCRM-11.0-JAVA v11.3.3 allows attackers to execute arbiEPSS 0.7%CVE-2026-33687HIGHSharp has Unrestricted File Upload via Client-Controlled Validation RulesEPSS 0.7%CVE-2024-12951MEDIUM1000 Projects Portfolio Management System MCA add_personal_details.php unrestricted uploadEPSS 0.7%CVE-2024-13744HIGHBooster for WooCommerce 4.0.1 - 7.2.4 - Unauthenticated Arbitrary File UploadEPSS 0.7%CVE-2025-13156HIGHVitepos – Point of Sale (POS) for WooCommerce <= 3.3.0 - Authenticated (Subscriber+) Arbitrary File Upload to Remote Code ExecutionEPSS 0.7%CVE-2024-3129MEDIUMSourceCodester Image Accordion Gallery App add-image.php unrestricted uploadEPSS 0.7%