Fallos del tipo CWE-434

3083 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-2022-50973CRITICALYonyou KSOA 9.0 Unauthenticated File Upload RCE via ImageUpload ServletEPSS 1.5%CVE-2025-7852CRITICALWPBookit <= 1.0.6 - Unauthenticated Arbitrary File Upload via image_upload_handle FunctionEPSS 1.5%CVE-2020-36701HIGHPage Builder: KingComposer < 2.9.4 - Arbitrary File UploadEPSS 1.5%CVE-2026-26975HIGHMusic Assistant Server Path Traversal in Playlist Update API Allows Remote Code ExecutionEPSS 1.5%CVE-2021-4330HIGHEnvato Elements <= 2.0.10 & Template Kit <= 1.0.13 - Authenticated (Contributor+) Arbitrary File UploadEPSS 1.5%CVE-2022-0537—MapPress Maps for WordPress < 2.73.13 - Admin+ File Upload to Remote Code ExecutionEPSS 1.5%CVE-2024-7772CRITICALJupiter X Core <= 4.6.5 - Unauthenticated Arbitrary File UploadEPSS 1.5%CVE-2023-4122CRITICALStudent Information System v1.0 - Insecure File UploadEPSS 1.5%CVE-2024-49668CRITICALWordPress Verbalize WP plugin <= 1.0 - Arbitrary File Upload vulnerabilityEPSS 1.5%CVE-2024-51788CRITICALWordPress The Novel Design Store Directory plugin <= 4.3.0 - Arbitrary File Upload vulnerabilityEPSS 1.5%CVE-2022-44354CRITICALSolarView Compact 4.0 and 5.0 is vulnerable to Unrestricted File Upload via a crafted php file.EPSS 1.5%CVE-2021-24663—Simple School Staff Directory <= 1.1 - Admin+ Arbitrary File UploadEPSS 1.5%CVE-2020-26255MEDIUMPHP Phar archives could be uploaded and executed in KirbyEPSS 1.5%CVE-2025-34097HIGHProcessMaker < 3.5.4 Authenticated Plugin Upload RCEEPSS 1.5%CVE-2024-1311HIGHBrizy – Page Builder <= 2.4.40 - Authenticated (Contributor+) Arbitrary File UploadEPSS 1.5%CVE-2023-6925HIGHUnlimited Addons for WPBakery Page Builder <= 1.0.42 - Authenticated (Editor+) Arbitrary File UploadEPSS 1.5%CVE-2023-30247CRITICALFile Upload vulnerability found in Oretnom23 Storage Unit Rental Management System v.1.0 allows a remote attacker to execute arbitrary code EPSS 1.5%CVE-2023-51590CRITICALVoltronic Power ViewPower Pro UpLoadAction Unrestricted File Upload Remote Code Execution VulnerabilityEPSS 1.5%CVE-2025-3455HIGH1 Click WordPress Migration Plugin – 100% FREE for a limited time <= 2.2 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File UploadEPSS 1.5%CVE-2024-43656CRITICALA backup can be manipulated and then restored to create arbitrary files inside the <redacted> directory. A CGI script can be added to the web directory this way, allowing for full remote code execution.EPSS 1.5%