Fallos del tipo CWE-434

3091 resultados

Upload irrestrito de arquivo com tipo perigoso

Ocorre quando a aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos. O risco é grave: o arquivo pode ser armazenado em local acessível pela web, executado pelo servidor, ou baixado e executado pela vítima.

Ejemplo

Um formulário de perfil aceita qualquer arquivo como 'foto', sem verificação. Alguém faz upload de um .exe ou .php; se salvo em pasta pública e com permissões erradas, o arquivo pode ser executado pelo servidor ou baixado por outros usuários.

Cómo mitigar

Valide a extensão e o tipo MIME no servidor (nunca apenas no cliente), rejeite extensões perigosas explicitamente, armazene uploads fora da raiz web ou sem permissão de execução, e considere renomear arquivos removendo extensão original. Idealmente, converta imagens para formatos seguros (PNG/JPG) após upload.

CVE-2023-51412CRITICALWordPress Piotnet Forms Plugin <= 1.0.25 is vulnerable to Arbitrary File 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-2025-27282CRITICALWordPress Theme File Duplicator Plugin <= 1.3 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2023-0257MEDIUMSourceCodester Online Food Ordering System Menu Form unrestricted uploadEPSS 0.5%CVE-2024-37418CRITICALWordPress Church Admin plugin <= 4.4.6 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-6423HIGHBeeTeam368 Extensions <= 2.3.5 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 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-2022-0912MEDIUMUnrestricted Upload of File with Dangerous Type in microweber/microweberEPSS 0.5%CVE-2025-14532CRITICALRemote Code Execution via Unrestricted File Upload in DobryCMSEPSS 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-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-2025-65471HIGHAn 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%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-2024-31161HIGHASUS Download Master - Arbitrary File UploadEPSS 0.5%CVE-2025-3969MEDIUMcodeprojects News Publishing Site Dashboard Edit Category Page edit-category.php unrestricted uploadEPSS 0.5%CVE-2024-10764MEDIUMCodezips Online Institute Management System save_user.php unrestricted uploadEPSS 0.5%CVE-2024-10765MEDIUMCodezips Online Institute Management System profile.php unrestricted uploadEPSS 0.5%CVE-2025-3807MEDIUMzhenfeng13 My-BBS Endpoint UploadController.java upload unrestricted uploadEPSS 0.5%