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-2023-1313HIGHUnrestricted Upload of File with Dangerous Type in cockpit-hq/cockpitEPSS 1.0%CVE-2023-29627HIGHOnline Pizza Ordering v1.0 was discovered to contain an arbitrary file upload vulnerability which allows attackers to execute arbitrary codeEPSS 1.0%CVE-2023-29621HIGHPurchase Order Management v1.0 was discovered to contain an arbitrary file upload vulnerability which allows attackers to execute arbitrary EPSS 1.0%CVE-2026-1555CRITICALWebStack <= 1.2024 - Unauthenticated Arbitrary File UploadEPSS 1.0%CVE-2023-30122CRITICALAn arbitrary file upload vulnerability in the component /admin/ajax.php?action=save_menu of Online Food Ordering System v2.0 allows attackerEPSS 1.0%CVE-2022-45968HIGHAlist v3.4.0 is vulnerable to File Upload. A user with only file upload permission can upload any file to any folder (even a password protecEPSS 1.0%CVE-2024-3483HIGHRemote Code Execution vulnerability in the iManagerEPSS 1.0%CVE-2022-2356MEDIUMUser Private Files < 1.1.3 - Subscriber+ Arbitrary File UploadEPSS 1.0%CVE-2023-42286CRITICALThere is a PHP file inclusion vulnerability in the template configuration of eyoucms v1.6.4, allowing attackers to execute code or system coEPSS 1.0%CVE-2026-92980HIGHHortusFox-Web < 6.1 Remote Code Execution via Import/ExportEPSS 1.0%CVE-2025-7443HIGHBerqWP <= 2.2.42 - Unauthenticated Arbitrary File UploadEPSS 1.0%CVE-2026-75496HIGHWebkul QloApps improper file upload validationEPSS 1.0%CVE-2023-26968CRITICALIn Atrocore 1.5.25, the Create Import Feed option with glyphicon-glyphicon-paperclip function is vulnerable to Unauthenticated File upload.EPSS 1.0%CVE-2025-13597CRITICALAI Feeds <= 1.0.11 - Unauthenticated Arbitrary File UploadEPSS 1.0%CVE-2025-13595CRITICALCIBELES AI <= 1.10.8 - Unauthenticated Arbitrary File UploadEPSS 1.0%CVE-2021-47788HIGHWebsiteBaker 2.13.0 - Remote Code Execution (RCE) (Authenticated)EPSS 1.0%CVE-2024-4681MEDIUMCampcodes Legal Case Management System Setting general-setting unrestricted uploadEPSS 1.0%CVE-2026-40412CRITICALAzure Orbital Spatio Remote Code Execution VulnerabilityEPSS 1.0%CVE-2026-50006CRITICALAnyquery: Arbitrary File Write (AFW) which could lead to Remote Code Execution (RCE) via Unrestricted ATTACH DATABASE in Server ModeEPSS 1.0%CVE-2021-27280HIGHOS Command injection vulnerability in mblog 3.5.0 allows attackers to execute arbitrary code via crafted theme when it gets selected.EPSS 1.0%