Weaknesses of type CWE-434

3,098 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-2026-82780HIGHUnrestricted upload of file with dangerous type issue exists in CONPROSYS TM Series. If a specially crafted file is uploaded by a remote autEPSS 0.6%CVE-2023-51417CRITICALWordPress JVM rich text icons Plugin <= 1.2.3 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2024-53863HIGHSynapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decodersEPSS 0.6%CVE-2025-12181HIGHContentStudio <= 1.3.7 - Authenticated (Author+) Arbitrary File UploadEPSS 0.6%CVE-2024-27964HIGHWordPress Zippy plugin <= 1.6.9 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2024-54525HIGHA logic issue was addressed with improved file handling. This issue is fixed in iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2, tvOS 18.2, visEPSS 0.6%CVE-2025-5012HIGHWorkreap <= 3.3.2 - Authenticated (Subscriber+) Arbitrary File Upload via 'workreap_temp_upload_to_media'EPSS 0.6%CVE-2024-2565MEDIUMPandaXGO PandaX File Extension upload.go unrestricted uploadEPSS 0.6%CVE-2024-24714HIGHWordPress Icons Font Loader Plugin <= 1.1.4 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2023-6090CRITICALWordPress Mollie Payments for WooCommerce Plugin <= 7.3.11 is vulnerable to Arbitrary File UploadEPSS 0.6%CVE-2024-31292HIGHWordPress Import XML and RSS Feeds plugin <= 2.1.5 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2023-4559MEDIUMBettershop LaikeTui POST Request unrestricted uploadEPSS 0.6%CVE-2024-32954CRITICALWordPress Newsletters plugin <= 4.9.5 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2024-30231CRITICALWordPress Product Import Export for WooCommerce plugin <= 2.4.1 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2023-6091HIGHWordPress Theme Editor plugin <= 2.7.1 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2023-47846CRITICALWordPress WP Githuber MD plugin <= 1.16.2 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2023-47842CRITICALWordPress CataBlog plugin <= 1.7.0 - Arbitrary File Upload vulnerabilityEPSS 0.6%CVE-2024-27951CRITICALWordPress Multiple Page Generator Plugin <= 3.4.0 - Auth. Remote Code Execution (RCE) vulnerabilityEPSS 0.6%CVE-2022-2744MEDIUMSourceCodester Gym Management System Background Management add_exercises.php unrestricted uploadEPSS 0.6%CVE-2024-10201HIGHWellchoose Administrative Management System - Arbitrary File UploadEPSS 0.6%