Falhas do tipo CWE-434

3.097 resultados

Upload irrestrito de arquivo com tipo perigoso

A aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos que serão armazenados ou executados no servidor. O risco aumenta se o arquivo for salvo em diretório acessível pela web ou em local onde será processado automaticamente.

Exemplo

Um sistema de upload de 'fotos de perfil' verifica apenas o tamanho do arquivo, mas não valida a extensão. Um atacante envia um arquivo .php disfarçado de imagem; se salvo em /uploads/ acessível via web, ele consegue executar código PHP no servidor ao acessar a URL direta.

Como mitigar

Valide extensões contra uma lista branca (whitelist) de tipos permitidos, verifique a assinatura do arquivo (magic bytes) e não confie apenas no Content-Type do cliente. Armazene uploads fora do diretório web ou configure o servidor para não executar scripts no diretório de uploads.

CVE-2025-13574MEDIUMcode-projects Online Bidding System addcategory.php categoryadd unrestricted uploadEPSS 0.4%CVE-2024-44598HIGHFNT Command 13.4.0 is vulnerable to Code Execution via the C Base Module.EPSS 0.4%CVE-2025-12593MEDIUMcode-projects Simple Online Hotel Reservation System Photo edit_room.php unrestricted uploadEPSS 0.4%CVE-2024-25034HIGHIBM Planning Analytics file uploadEPSS 0.4%CVE-2025-14641MEDIUMcode-projects Computer Laboratory System admin_pic.php unrestricted uploadEPSS 0.4%CVE-2025-14642MEDIUMcode-projects Computer Laboratory System technical_staff_pic.php unrestricted uploadEPSS 0.4%CVE-2025-63695CRITICALDzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.EPSS 0.4%CVE-2025-60219CRITICALWordPress WooCommerce Designer Pro Plugin <= 1.9.24 - Arbitrary File Upload VulnerabilityEPSS 0.4%CVE-2026-37430HIGHAn arbitrary file upload vulnerability in the ShopOrderImportController.java component of qihang-wms commit 75c15a allows attackers to execuEPSS 0.4%CVE-2025-2607MEDIUMphplaozhang LzCMS-LaoZhangBoKeXiTong HTTP POST Request upimage.html unrestricted uploadEPSS 0.4%CVE-2018-25158HIGHChamilo LMS 1.11.8 Arbitrary File Upload via elfinderEPSS 0.4%CVE-2026-20098HIGHCisco Meeting Management Arbitrary File Upload VulnerabilityEPSS 0.4%CVE-2025-62016CRITICALWordPress Kallyas theme <= 4.22.0 - Arbitrary File Upload vulnerabilityEPSS 0.4%CVE-2024-10668MEDIUMAuth Bypass in QuickshareEPSS 0.4%CVE-2026-21625MEDIUMExtension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for JoomlaEPSS 0.4%CVE-2025-6667MEDIUMcode-projects Car Rental System add_cars.php unrestricted uploadEPSS 0.4%CVE-2026-11579MEDIUMKali Forms < 2.4.17 - Unauthenticated Media UploadEPSS 0.4%CVE-2025-12331MEDIUMWillow CMS add unrestricted uploadEPSS 0.4%CVE-2026-56414HIGHH.VIEW HV-500S6 IP Camera Unrestricted Upload of File with Dangerous TypeEPSS 0.4%CVE-2024-25182CRITICALgivanz VvvebJs 1.7.2 suffers from a File Upload vulnerability via save.php.EPSS 0.4%