Weaknesses of type CWE-434

3,099 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-2025-3324MEDIUMgodcheese/code-projects Nimrod FileRestController.java unrestricted uploadEPSS 0.5%CVE-2025-1593MEDIUMSourceCodester Best Employee Management System Profile Picture unrestricted uploadEPSS 0.5%CVE-2023-42803MEDIUMBigBlueButton Unrestricted File Upload vulnerabilityEPSS 0.5%CVE-2022-3537HIGHRole Based Pricing for WooCommerce < 1.6.2 - Subscriber+ Arbitrary File UploadEPSS 0.5%CVE-2023-51412CRITICALWordPress Piotnet Forms Plugin <= 1.0.25 is vulnerable to Arbitrary File UploadEPSS 0.5%CVE-2024-37418CRITICALWordPress Church Admin plugin <= 4.4.6 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-27282CRITICALWordPress Theme File Duplicator Plugin <= 1.3 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-6423HIGHBeeTeam368 Extensions <= 2.3.5 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 0.5%CVE-2023-0257MEDIUMSourceCodester Online Food Ordering System Menu Form unrestricted uploadEPSS 0.5%CVE-2025-46068HIGHAn issue in Automai Director v.25.2.0 allows a remote attacker to execute arbitrary code via the update mechanismEPSS 0.5%CVE-2025-14532CRITICALRemote Code Execution via Unrestricted File Upload in DobryCMSEPSS 0.5%CVE-2022-0912MEDIUMUnrestricted Upload of File with Dangerous Type in microweber/microweberEPSS 0.5%CVE-2023-3504MEDIUMSmartWeb Infotech Job Board My Profile Page account unrestricted uploadEPSS 0.5%CVE-2022-40981MEDIUMETIC Telecom Remote Access Server Unrestricted Upload of File with Dangerous TypeEPSS 0.5%CVE-2025-54762CRITICALSS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and exeEPSS 0.5%CVE-2024-31161HIGHASUS Download Master - Arbitrary File UploadEPSS 0.5%CVE-2025-67164CRITICALAn authenticated arbitrary file upload vulnerability in the /storage/poc.php component of Pagekit CMS v1.0.18 allows attackers to execute arEPSS 0.5%CVE-2025-53970CRITICALSS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and exeEPSS 0.5%CVE-2023-48275HIGHWordPress Widgets for Google Reviews plugin <= 11.0.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-65471HIGHAn arbitrary file upload vulnerability in the /admin/manager.php component of EasyImages 2.0 v2.8.6 and below allows attackers to execute arEPSS 0.5%