Weaknesses of type CWE-434

3,102 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-2025-57148CRITICALphpgurukul Online Shopping Portal 2.0 is vulnerable to Arbitrary File Upload in /admin/insert-product.php, due to the lack of extension valiEPSS 0.5%CVE-2026-34735HIGHHytale Modding Vulnerable to Remote Code Execution via File Upload Bypass in `FileController`EPSS 0.5%CVE-2025-54442CRITICALUnrestricted Upload of File with Dangerous Type vulnerability in Samsung Electronics MagicINFO 9 Server allows Code Injection.This issue affEPSS 0.5%CVE-2025-5130MEDIUMTmall Demo uploadProductImage unrestricted uploadEPSS 0.5%CVE-2024-9504HIGHBooking calendar, Appointment Booking System <= 3.2.15 - Unauthenticated Stored Cross-Site Scripting via SVG File UploadEPSS 0.5%CVE-2025-0341MEDIUMCampCodes Computer Laboratory Management System edit unrestricted uploadEPSS 0.5%CVE-2026-5261MEDIUMShandong Hoteam InforCenter PLM BaseHandler.ashx uploadFileToIIS unrestricted uploadEPSS 0.5%CVE-2026-5001MEDIUMPromtEngineer localGPT server.py do_POST unrestricted uploadEPSS 0.5%CVE-2026-14736MEDIUMRuijie RG-UAC user_auth_commit.php unrestricted uploadEPSS 0.5%CVE-2026-7711MEDIUMMindsDB Engine proc_wrapper.py exec unrestricted uploadEPSS 0.5%CVE-2026-18969MEDIUMRongzhitong Visual Integrated Command and Dispatch Platform upload unrestricted uploadEPSS 0.5%CVE-2026-82921MEDIUMShopEx ECShop pack.php check_img_type unrestricted uploadEPSS 0.5%CVE-2026-16324MEDIUMMetasoft 美特软件 MetaCRM upload.jsp unrestricted uploadEPSS 0.5%CVE-2026-4536MEDIUMAcrel Environmental Monitoring Cloud Platform unrestricted uploadEPSS 0.5%CVE-2024-3444MEDIUMWangshen SecGate 3600 ?g=net_pro_keyword_import_save unrestricted uploadEPSS 0.5%CVE-2026-95499MEDIUMJosephChuks php-file-manager-with-code-editor filemanager.php move_uploaded_file unrestricted uploadEPSS 0.5%CVE-2026-4221MEDIUMTiandy Easy7 Integrated Management Platform Endpoint uploadLedImage unrestricted uploadEPSS 0.5%CVE-2026-4191MEDIUMJawherKl node-api-postgres Profile Picture index.js path.extname unrestricted uploadEPSS 0.5%CVE-2026-95500MEDIUMJosephChuks php-file-manager-with-code-editor Save codeEditor.php file_put_contents unrestricted uploadEPSS 0.5%CVE-2026-13547MEDIUMHanwang e-Face General Management Platform upload.do unrestricted uploadEPSS 0.5%