Fallos del tipo CWE-434

3091 resultados

Upload irrestrito de arquivo com tipo perigoso

Ocorre quando a aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos. O risco é grave: o arquivo pode ser armazenado em local acessível pela web, executado pelo servidor, ou baixado e executado pela vítima.

Ejemplo

Um formulário de perfil aceita qualquer arquivo como 'foto', sem verificação. Alguém faz upload de um .exe ou .php; se salvo em pasta pública e com permissões erradas, o arquivo pode ser executado pelo servidor ou baixado por outros usuários.

Cómo mitigar

Valide a extensão e o tipo MIME no servidor (nunca apenas no cliente), rejeite extensões perigosas explicitamente, armazene uploads fora da raiz web ou sem permissão de execução, e considere renomear arquivos removendo extensão original. Idealmente, converta imagens para formatos seguros (PNG/JPG) após upload.

CVE-2017-20224CRITICALTelesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File UploadEPSS 1.0%CVE-2026-27947CRITICALGroup-Office Vulnerable to Remote Code Execution (RCE)EPSS 1.0%CVE-2022-40217MEDIUMWordPress WPide plugin <= 2.6 - Authenticated Arbitrary File Edit/Upload vulnerabilityEPSS 1.0%CVE-2024-4349HIGHSourceCodester Pisay Online E-Learning System controller.php unrestricted uploadEPSS 1.0%CVE-2026-12872CRITICALWebinfos <= 1.2 - Unauthenticated Arbitrary File UploadEPSS 1.0%CVE-2024-50427CRITICALWordPress SurveyJS plugin <= 1.9.136 - Arbitrary File Upload vulnerabilityEPSS 1.0%CVE-2024-0800HIGHAuthentication Bypass via wizardLogin in Arcserve Unified Data ProtectionEPSS 1.0%CVE-2023-35189CRITICALIagona ScrutisWeb Unrestricted Upload of File with Dangerous TypeEPSS 1.0%CVE-2023-23135HIGHAn arbitrary file upload vulnerability in Ftdms v3.1.6 allows attackers to execute arbitrary code via uploading a crafted JPG file.EPSS 1.0%CVE-2023-29268CRITICALTIBCO Spotfire Statistics Services Unrestricted File Upload VulnerabilityEPSS 1.0%CVE-2022-3478MEDIUMAn issue has been discovered in GitLab affecting all versions starting from 12.8 before 15.4.6, all versions starting from 15.5 before 15.5.EPSS 1.0%CVE-2024-13359HIGHProduct Input Fields for WooCommerce <= 1.12.0 - Unauthenticated Limited File UploadEPSS 1.0%CVE-2022-43275HIGHCanteen Management System v1.0 was discovered to contain an arbitrary file upload vulnerability via /youthappam/php_action/editProductImage.EPSS 1.0%CVE-2024-6828HIGHRedux Framework 4.4.12 - 4.4.17 - Unauthenticated JSON File Upload to Stored Cross-Site ScriptingEPSS 1.0%CVE-2022-43061HIGHOnline Tours & Travels Management System v1.0 was discovered to contain an arbitrary file upload vulnerability in the component /operations/EPSS 1.0%CVE-2022-43277HIGHCanteen Management System v1.0 was discovered to contain an arbitrary file upload vulnerability via ip/youthappam/php_action/editFile.php. TEPSS 1.0%CVE-2025-67886MEDIUMBitrix24 through 25.100.300 allows Remote Code Execution because an actor with SOURCE/WRITE permissions for the Translate Module can upload EPSS 1.0%CVE-2022-43050HIGHOnline Tours & Travels Management System v1.0 was discovered to contain an arbitrary file upload vulnerability in the component update_profiEPSS 1.0%CVE-2026-14489HIGHWHMCS Bridge <= 6.9 - Unauthenticated Arbitrary File Upload via 'ccce' ParameterEPSS 1.0%CVE-2026-14498HIGHQuery Wrangler <= 1.5.57 - Authenticated (Subscriber+) Remote Code Execution via 'options' ParameterEPSS 1.0%