Weaknesses of type CWE-434

3,101 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-2024-52403CRITICALWordPress User Management plugin <= 1.1 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-52370CRITICALWordPress Hive Support – WordPress Help Desk, Live Chat & AI Chat Bot Plugin for WordPress plugin <= 1.1.1 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-50480CRITICALWordPress Marketing Automation by AZEXO plugin <= 1.27.80 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-48034CRITICALWordPress Creates 3D Flipbook, PDF Flipbook plugin <= 1.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-48027CRITICALWordPress External featured image from bing plugin <= 1.0.2 - Remote Code Execution (RCE) vulnerabilityEPSS 0.5%CVE-2025-9942MEDIUMCodeAstro Real Estate Management System submitproperty.php unrestricted uploadEPSS 0.5%CVE-2025-9941MEDIUMCodeAstro Real Estate Management System register.php unrestricted uploadEPSS 0.5%CVE-2025-31342CRITICALGalaxy Software Services Vitals ESP Forum Module - Unrestricted Upload of File with Dangerous TypeEPSS 0.5%CVE-2025-69565CRITICALcode-projects Mobile Shop Management System 1.0 is vulnerable to File Upload in /ExAddProduct.php.EPSS 0.5%CVE-2024-3508MEDIUMBzip2: compressed content bomb leads to denial of service of bombastic apiEPSS 0.5%CVE-2026-43752MEDIUMAn authenticated administrator may be able to achieve arbitrary code execution on the host system by uploading a malicious file through the EPSS 0.5%CVE-2022-39301HIGHsra-admin is vulnerable to storage cross-site scripting (XSS) via unrestricted file uploadEPSS 0.5%CVE-2025-39538MEDIUMWordPress WP-Advanced-Search plugin <= 3.3.9.4 - Arbitrary File Upload VulnerabilityEPSS 0.5%CVE-2025-22389HIGHAn issue was discovered in Optimizely EPiServer.CMS.Core before 12.32.0. A medium-severity vulnerability exists in the CMS, where the applicEPSS 0.5%CVE-2024-6083MEDIUMPHPVibe Media Upload Page upload-mp3.php unrestricted uploadEPSS 0.5%CVE-2024-35767CRITICALWordPress Squeeze plugin <= 1.4 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-38736CRITICALWordPress Realtyna Organic IDX plugin <= 4.14.13 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2026-30761HIGHAn arbitrary file upload vulnerability in the pages/admin.uploadmapimg.php component of SourceBans Material Admin v1.1.6 allows attackers toEPSS 0.5%CVE-2024-52398CRITICALWordPress CDI plugin <= 5.5.3 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-58963CRITICALWordPress Medcity theme < 1.1.9 - Arbitrary File Upload vulnerabilityEPSS 0.5%