Falhas do tipo CWE-434

3.096 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-2025-10083MEDIUMSourceCodester Pet Grooming Management Software profile.php unrestricted uploadEPSS 0.4%CVE-2025-7124MEDIUMcode-projects Online Note Sharing Profile Image userprofile.php unrestricted uploadEPSS 0.4%CVE-2025-47663CRITICALWordPress Hospital Management System plugin <= 47.0(20-11-2023) - Arbitrary File Upload vulnerabilityEPSS 0.4%CVE-2025-39402CRITICALWordPress WPAMS plugin <= 44.0 (17-08-2023) - Arbitrary File Upload vulnerabilityEPSS 0.4%CVE-2025-7151MEDIUMCampcodes Advanced Online Voting System voters_add.php unrestricted uploadEPSS 0.4%CVE-2026-40262HIGHNote Mark has Stored XSS via Unrestricted Asset UploadEPSS 0.4%CVE-2026-61448LOWParse Server 9.0.0 Stored XSS via malformed Content-TypeEPSS 0.4%CVE-2025-12268MEDIUMLearnHouse Course Thumbnail courses unrestricted uploadEPSS 0.4%CVE-2026-0643MEDIUMprojectworlds House Rental and Property Listing Signup register.php unrestricted uploadEPSS 0.4%CVE-2025-29405MEDIUMAn arbitrary file upload vulnerability in the component /admin/template.php of emlog pro 2.5.0 and pro 2.5.* allows attackers to execute arbEPSS 0.4%CVE-2024-2125HIGHEnvíaloSimple: Email Marketing y Newsletters <= 2.3 - Cross-Site Request Forgery to Arbitrary File UploadEPSS 0.4%CVE-2025-8504MEDIUMcode-projects Kitchen Treasure userregistration.php unrestricted uploadEPSS 0.4%CVE-2026-25201HIGHAn unauthenticated user can upload arbitrary files to execute remote code, leading to privilege escalation in MagicInfo9 Server. This issue EPSS 0.4%CVE-2025-58048CRITICALPaymenter Vulnerable to Remote Code Execution via Public File UploadsEPSS 0.4%CVE-2025-0399MEDIUMStarSea99 starsea-mall uploadController.java UploadController unrestricted uploadEPSS 0.4%CVE-2024-7706MEDIUMFujian mwcms uploadfile.html uploadimage unrestricted uploadEPSS 0.4%CVE-2026-18143CRITICALRequest a Quote for WooCommerce <= 2.9.2 - Unauthenticated Arbitrary File Upload via AJAX Popup HandlerEPSS 0.4%CVE-2025-65875HIGHAn arbitrary file upload vulnerability in the AddFont() function of FPDF v1.86 and earlier allows attackers to execute arbitrary code via upEPSS 0.4%CVE-2025-4258MEDIUMzhangyanbo2007 youkefu MediaController.java upload unrestricted uploadEPSS 0.4%CVE-2025-46080MEDIUMHuoCMS V3.5.1 has a File Upload Vulnerability. An attacker can exploit this flaw to bypass whitelist restrictions and craft malicious files EPSS 0.4%