Falhas do tipo CWE-434

3.099 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-2025-11078MEDIUMitsourcecode Open Source Job Portal controller.php unrestricted uploadEPSS 0.3%CVE-2025-65027HIGHRomM Chained XSS and CSRF Vulnerabilities Enable Admin Account TakeoverEPSS 0.3%CVE-2021-47783MEDIUMPhpwcms 1.9.30 - Arbitrary File UploadEPSS 0.3%CVE-2018-25409HIGHSIM-PKH 2.4.1 Arbitrary File Upload via aksi_pengurus.phpEPSS 0.3%CVE-2025-36519MEDIUMUnrestricted upload of file with dangerous type issue exists in WRC-2533GST2, WRC-1167GST2, WRC-2533GST2, WRC-2533GS2V-B,WRC-2533GS2-B v1.69EPSS 0.3%CVE-2025-11353MEDIUMcode-projects Online Hotel Reservation System addgalleryexec.php unrestricted uploadEPSS 0.3%CVE-2025-11417MEDIUMCampcodes Advanced Online Voting Management System voters_add.php unrestricted uploadEPSS 0.3%CVE-2025-31577MEDIUMWordPress Appointify plugin <= 1.0.8 - Arbitrary File Upload vulnerabilityEPSS 0.3%CVE-2025-11351MEDIUMcode-projects Online Hotel Reservation System editpicexec.php unrestricted uploadEPSS 0.3%CVE-2025-11352MEDIUMcode-projects Online Hotel Reservation System addexec.php unrestricted uploadEPSS 0.3%CVE-2017-12332—A vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary EPSS 0.3%CVE-2025-20287MEDIUMCisco Evolved Programmable Network Manager Arbitrary File Upload VulnerabilityEPSS 0.3%CVE-2019-25580HIGHownDMS 4.7 SQL Injection via pdfstream.php imagestream.phpEPSS 0.3%CVE-2025-7906MEDIUMyangzongzhuan RuoYi CommonController.java uploadFile unrestricted uploadEPSS 0.3%CVE-2024-49676MEDIUMWordPress Custom Icons for Elementor plugin <= 0.3.3 - Arbitrary File Upload vulnerabilityEPSS 0.3%CVE-2024-53811MEDIUMWordPress WDesignKit plugin <= 1.0.40 - Arbitrary File Upload vulnerabilityEPSS 0.3%CVE-2026-79706MEDIUMBreeze Cache < 2.5.13 - Unauthenticated File Creation via Cache Path TraversalEPSS 0.3%CVE-2025-7864MEDIUMthinkgem JeeSite FileUploadController.java upload unrestricted uploadEPSS 0.3%CVE-2024-23762HIGHUnrestricted File Upload vulnerability in Content Manager feature in Gambio 4.9.2.0 allows attackers to execute arbitrary code via upload ofEPSS 0.3%CVE-2026-16286CRITICALFile Upload in TRTEK Software's Software Repository ManagementEPSS 0.3%