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-2026-3187MEDIUMfeiyuchuixue sz-boot-parent API Endpoint upload unrestricted uploadEPSS 0.5%CVE-2025-23921CRITICALWordPress Multi Uploader for Gravity Forms plugin <= 1.1.3 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2023-45724HIGHUnauthenticated File Upload affects DRYiCE MyXalyticsEPSS 0.5%CVE-2024-11054MEDIUMSourceCodester Simple Music Cloud Community System ajax.php unrestricted uploadEPSS 0.5%CVE-2024-33006CRITICALFile upload vulnerability in SAP NetWeaver Application Server ABAP and ABAP PlatformEPSS 0.5%CVE-2026-68899HIGHWekan: File Upload MIME Type Validation Bypass — Stored XSS via Missing System Binary FallbackEPSS 0.5%CVE-2024-37228CRITICALWordPress InstaWP Connect plugin <= 0.1.0.38 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-11967HIGHMail Mint <= 1.18.10 - Authenticated (Admin+) Arbitrary File UploadEPSS 0.5%CVE-2025-60947HIGHCensus CSWeb arbitrary file uploadEPSS 0.5%CVE-2025-0335MEDIUMcode-projects Online Bike Rental System Change Image unrestricted uploadEPSS 0.5%CVE-2024-12956MEDIUM1000 Projects Portfolio Management System MCA add_achievement_details.php unrestricted uploadEPSS 0.5%CVE-2020-7847HIGHThe ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain EPSS 0.5%CVE-2024-51919CRITICALWordPress Fancy Product Designer plugin <= 6.4.3 - Unauthenticated Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-12201MEDIUMajayrandhawa User-Management-PHP-MYSQL User Management edit-user.php unrestricted uploadEPSS 0.5%CVE-2024-22135HIGHWordPress Order Export & Order Import for WooCommerce Plugin <= 2.4.3 is vulnerable to Arbitrary File UploadEPSS 0.5%CVE-2024-22152HIGHWordPress Product Import Export for WooCommerce Plugin <= 2.3.7 is vulnerable to Arbitrary File UploadEPSS 0.5%CVE-2024-31454MEDIUMPsiTransfer file integrity violation vulnerabilityEPSS 0.5%CVE-2024-31453MEDIUMPsiTransfer vulnerable to violation of the integrity of file distributionEPSS 0.5%CVE-2025-49071CRITICALWordPress Flozen < 1.5.1 - Arbitrary File Upload VulnerabilityEPSS 0.5%CVE-2025-12161HIGHSmart Auto Upload Images <= 1.2.0 - Authenticated (Contributor+) Arbitrary File UploadEPSS 0.5%