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-2023-52221CRITICALWordPress Barcode Scanner with Inventory & Order Manager Plugin <= 1.5.1 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2025-54449CRITICALUnrestricted Upload of File with Dangerous Type vulnerability in Samsung Electronics MagicINFO 9 Server allows Code Injection.This issue affEPSS 0.6%CVE-2023-51468CRITICALWordPress Rencontre – Dating Site Plugin <= 3.10.1 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2023-7026MEDIUMLightxun IPTV Gateway web_upload_template.html unrestricted uploadEPSS 0.6%CVE-2023-51419CRITICALWordPress BERTHA AI Plugin <= 1.11.10.7 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2024-25913CRITICALWordPress MoveTo Plugin <= 6.2 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2023-49815CRITICALWordPress WappPress plugin <= 5.0.3 - Unauthenticated Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2024-25925CRITICALWordPress WooCommerce Easy Checkout Field Editor, Fees & Discounts Plugin <= 3.5.12 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2026-15049HIGHDepicter < 4.8.0 - Editor+ Arbitrary File Upload via ZIP ImportEPSS 0.6%CVE-2024-9816MEDIUMCodezips Tourist Management System change-image.php unrestricted uploadEPSS 0.6%CVE-2024-9903MEDIUM07FLYCMS/07FLY-CMS/07FlyCRM fileUpload unrestricted uploadEPSS 0.6%CVE-2024-9815MEDIUMCodezips Tourist Management System create-package.php unrestricted uploadEPSS 0.6%CVE-2024-9855MEDIUM07FLYCMS/07FLY-CMS/07FlyCRM Module Plug-In sysmodule_1 uploadFile unrestricted uploadEPSS 0.6%CVE-2022-0499—Sermon Browser <= 0.45.22 - Arbitrary File Upload via CSRFEPSS 0.6%CVE-2024-9904MEDIUM07FLYCMS/07FLY-CMS/07FlyCRM pictureUpload unrestricted uploadEPSS 0.6%CVE-2026-41937HIGHVvveb < 1.0.8.3 Unrestricted File Upload RCE via Plugin UploadEPSS 0.6%CVE-2024-51791CRITICALWordPress Forms plugin <= 2.8.0 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2025-5299MEDIUMSourceCodester Client Database Management System user_order_customer_update.php unrestricted uploadEPSS 0.6%CVE-2026-84637CRITICALCalendar invitation attachments could launch local executablesEPSS 0.6%CVE-2026-54567HIGHFlask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)EPSS 0.6%