Weaknesses of type CWE-434

3,091 results

Upload sem restrição de arquivo com tipo perigoso

Ocorre quando uma aplicação aceita upload de arquivos sem validar adequadamente seu tipo, extensão ou conteúdo. Um atacante pode enviar executáveis, scripts ou outros arquivos maliciosos, que serão armazenados ou executados no servidor, comprometendo sua integridade e segurança.

Example

Um formulário de perfil aceita qualquer arquivo como 'foto do usuário' sem checar extensão ou MIME type. Um atacante envia um arquivo .exe ou .php renomeado como .jpg, que é salvo no diretório web e posteriormente executado quando acessado, permitindo execução de código remoto.

How to mitigate

Valide uploads checando MIME type real (não apenas extensão), restrinja tipos permitidos de forma explícita, armazene arquivos fora da raiz web, desabilite execução de scripts no diretório de upload e considere usar vírus scanner. Implemente whitelist rigorosa, nunca blacklist.

CVE-2023-38887HIGHFile Upload vulnerability in Dolibarr ERP CRM v.17.0.1 and before allows a remote attacker to execute arbitrary code and obtain sensitive inEPSS 1.5%CVE-2024-23630CRITICALMotorola MR2600 Arbitrary Firmware Upload VulnerabilityEPSS 1.5%CVE-2022-3076HIGHCM Download Manager < 2.8.6 - Admin+ Arbitrary File UploadEPSS 1.5%CVE-2023-45554CRITICALFile Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter frEPSS 1.5%CVE-2023-31857CRITICALSourcecodester Online Computer and Laptop Store 1.0 allows unrestricted file upload and can lead to remote code execution. The vulnerabilityEPSS 1.5%CVE-2022-50973CRITICALYonyou KSOA 9.0 Unauthenticated File Upload RCE via ImageUpload ServletEPSS 1.5%CVE-2020-36701HIGHPage Builder: KingComposer < 2.9.4 - Arbitrary File UploadEPSS 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-2024-51788CRITICALWordPress The Novel Design Store Directory plugin <= 4.3.0 - Arbitrary File Upload vulnerabilityEPSS 1.5%CVE-2024-49668CRITICALWordPress Verbalize WP plugin <= 1.0 - 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-2025-7852CRITICALWPBookit <= 1.0.6 - Unauthenticated Arbitrary File Upload via image_upload_handle FunctionEPSS 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%