Weaknesses of type CWE-434

3,255 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-2023-0587CRITICALA file upload vulnerability in exists in Trend Micro Apex One server build 11110. Using a malformed Content-Length header in an HTTP PUT mesEPSS 59.6%CVE-2021-43829HIGHUnrestricted Upload of Files in PatrowlEPSS 59.2%CVE-2021-39352HIGHCatch Themes Demo Import <= 1.7 Admin+ Arbitrary File UploadEPSS 56.3%CVE-2025-26319CRITICALFlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.EPSS 55.9%CVE-2025-5961HIGHMigration, Backup, Staging – WPvivid Backup & Migration <= 0.9.116 - Authenticated (Administrator+) Arbitrary File UploadEPSS 55.5%CVE-2026-2701CRITICALRCE vulnerability in Progress ShareFile Storage Zones Controller (SZC)EPSS 54.5%CVE-2024-24809HIGHTraccar vulnerable to Path Traversal: 'dir/../../filename' and Unrestricted Upload of File with Dangerous TypeEPSS 54.4%CVE-2023-6187HIGHPaid Memberships Pro <= 2.12.3 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 51.3%CVE-2024-5084CRITICALHash Form – Drag & Drop Form Builder <= 1.1.0 - Unauthenticated Arbitrary File Upload to Remote Code ExecutionEPSS 50.9%CVE-2025-7441CRITICALStoryChief <= 1.0.42 - Unauthenticated Arbitrary File UploadEPSS 50.9%CVE-2026-48356CRITICALAdobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)EPSS 47.5%CVE-2021-24370—Fancy Product Designer < 4.6.9 - Unauthenticated Arbitrary File Upload and RCEEPSS 47.4%CVE-2025-64095CRITICALDNN Insufficient Access Control - Image Upload allows for Site Content OverwriteEPSS 47.0%CVE-2024-44849CRITICALQualitor up to 8.24 is vulnerable to Remote Code Execution (RCE) via Arbitrary File Upload in checkAcesso.php.EPSS 46.3%CVE-2024-48760CRITICALAn issue in GestioIP v3.5.7 allows a remote attacker to execute arbitrary code via the file upload function. The attacker can upload a malicEPSS 45.8%CVE-2025-61678HIGHFreePBX Endpoint Manager vulnerable to authenticated arbitrary file upload via fwbrand parameterEPSS 45.6%CVE-2023-32562MEDIUMAn unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker tEPSS 45.6%CVE-2022-3552HIGHUnrestricted Upload of File with Dangerous Type in boxbilling/boxbillingEPSS 44.0%CVE-2024-0939MEDIUMByzoro Smart S210 Management Platform uploadfile.php unrestricted uploadEPSS 43.8%CVE-2020-36847CRITICALSimple File List < 4.2.3 - Remote Code ExecutionEPSS 43.5%