Fallos del tipo CWE-434

3095 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-2025-0460MEDIUMBlog Botz for Journal Theme blog_add unrestricted uploadEPSS 0.5%CVE-2024-40513MEDIUMAn issue in themesebrand Chatvia v.5.3.2 allows a remote attacker to execute arbitrary code via the User profile Upload image function.EPSS 0.5%CVE-2024-7342MEDIUMBaidu UEditor unrestricted uploadEPSS 0.5%CVE-2025-32660CRITICALWordPress JS Job Manager plugin <= 2.0.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-68549CRITICALWordPress Wiguard theme < 2.0.1 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-69403CRITICALWordPress Bravis Addons plugin <= 1.3.0 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-5059MEDIUMCampcodes Online Shopping Portal edit-subcategory.php unrestricted uploadEPSS 0.5%CVE-2025-7547MEDIUMCampcodes Online Movie Theater Seat Reservation System admin_class.php save_movie unrestricted uploadEPSS 0.5%CVE-2025-4926MEDIUMPHPGurukul Car Rental Project post-avehical.php unrestricted uploadEPSS 0.5%CVE-2025-2705MEDIUMDigiwin ERP FileUploadApi.ashx DoWebUpload unrestricted uploadEPSS 0.4%CVE-2025-7538MEDIUMCampcodes Sales and Inventory System product_update.php unrestricted uploadEPSS 0.4%CVE-2025-7470MEDIUMCampcodes Sales and Inventory System product_add.php unrestricted uploadEPSS 0.4%CVE-2025-14390HIGHVideo Merchant <= 5.0.4 - Cross-Site Request Forgery to Arbitrary File UploadEPSS 0.4%CVE-2025-31339MEDIUMWisdom Master Pro - Unrestricted Upload of File with Dangerous TypeEPSS 0.4%CVE-2025-6422MEDIUMCampcodes Online Recruitment Management System About Content Page ajax.php unrestricted uploadEPSS 0.4%CVE-2023-39933MEDIUMInsufficient verification vulnerability exists in Broadcast Mail CGI (pmc.exe) included in A.K.I Software's PMailServer/PMailServer2 productEPSS 0.4%CVE-2024-1531HIGHA vulnerability exists in the stb-language file handling that affects the RTU500 series product versions listed below. A malicious actor couEPSS 0.4%CVE-2025-60218CRITICALWordPress PT Luxa Addons Plugin <= 1.2.2 - Arbitrary File Upload VulnerabilityEPSS 0.4%CVE-2024-31610MEDIUMFile Upload vulnerability in the function for employees to upload avatars in Code-Projects Simple School Management System v1.0 allows attacEPSS 0.4%CVE-2024-39865HIGHA vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). The affected application allows users to uploEPSS 0.4%