Weaknesses of type CWE-434

3,090 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-2024-1918MEDIUMByzoro Smart S42 Management Platform userattestation.php unrestricted uploadEPSS 2.3%CVE-2026-57827CRITICALJoomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12EPSS 2.3%CVE-2019-25138CRITICALUser Submitted Posts <= 20190312 - Unauthenticated Arbitrary File UploadEPSS 2.3%CVE-2016-15033CRITICALDelete All Comments <= 2.0 - Arbitrary File UploadEPSS 2.3%CVE-2021-41290CRITICALECOA BAS controller - Path Traversal-1EPSS 2.3%CVE-2022-1752CRITICALUnrestricted Upload of File with Dangerous Type in polonel/trudeskEPSS 2.3%CVE-2024-4960MEDIUMD-Link DAR-7000-40 licenseauthorization.php unrestricted uploadEPSS 2.3%CVE-2024-4961MEDIUMD-Link DAR-7000-40 onlineuser.php unrestricted uploadEPSS 2.3%CVE-2020-15277HIGHRemote Code Execution in baserCMSEPSS 2.3%CVE-2014-125116CRITICALHybridAuth 2.0.9 - 2.2.2 Unauthenticated RCE via install.php Configuration InjectionEPSS 2.3%CVE-2023-47873CRITICALWordPress WP Child Theme Generator plugin <= 1.0.9 - Arbitrary File Upload vulnerabilityEPSS 2.3%CVE-2013-10043CRITICALAstium VOIP PBX <= 2.1 SQL Injection File Upload RCEEPSS 2.3%CVE-2024-13869HIGHMigration, Backup, Staging – WPvivid <= 0.9.112 - Authenticated (Admin+) Arbitrary File Upload via wpvivid_upload_fileEPSS 2.3%CVE-2023-0943MEDIUMSourceCodester Best POS Management System Image save_settings unrestricted uploadEPSS 2.3%CVE-2021-3832CRITICALIntegria IMS Remote Code ExecutionEPSS 2.3%CVE-2022-40035HIGHFile Upload Vulnerability found in Rawchen Blog-ssm v1.0 allowing attackers to execute arbitrary commands and gain escalated privileges via EPSS 2.3%CVE-2025-3835CRITICALRemote Code ExecutionEPSS 2.2%CVE-2012-10030CRITICALFreeFloat FTP Server Arbitrary File UploadEPSS 2.2%CVE-2021-24223—N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCEEPSS 2.2%CVE-2025-34111CRITICALTiki Wiki <= 15.1 ELFinder Unauthenticated File Upload RCEEPSS 2.2%