Weaknesses of type CWE-434

3,094 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-2024-32254HIGHPhpgurukul Tourism Management System v2.0 is vulnerable to Unrestricted Upload of File with Dangerous Type via tms/admin/create-package.php.EPSS 0.8%CVE-2024-56046CRITICALWordPress WPLMS plugin <= 1.9.9 - Unauthenticated Arbitrary File Upload vulnerabilityEPSS 0.8%CVE-2022-4665LOWUnrestricted Upload of File with Dangerous Type in ampache/ampacheEPSS 0.8%CVE-2025-2216MEDIUMzzskzy Warehouse Refinement Management System SaveCrash.ashx UploadCrash unrestricted uploadEPSS 0.8%CVE-2023-29386CRITICALWordPress Manager for Icomoon plugin <= 2.0 - Arbitrary File Upload vulnerabilityEPSS 0.8%CVE-2023-27440HIGHWordPress Toolset Types plugin <= 3.4.17 - Authenticated Arbitrary File Upload VulnerabilityEPSS 0.8%CVE-2024-6801MEDIUMSourceCodester Online Student Management System add-students.php unrestricted uploadEPSS 0.8%CVE-2024-6114MEDIUMitsourcecode Monbela Tourist Inn Online Reservation System controller.php unrestricted uploadEPSS 0.8%CVE-2022-3575CRITICALFrauscher Sensortechnik Diagnostic System FDS102 for FAdC R2 and FAdCi R2 configuration upload vulnerabilityEPSS 0.8%CVE-2023-31090CRITICALWordPress Unlimited Elements For Elementor plugin <= 1.5.60 - Unrestricted Zip Extraction vulnerabilityEPSS 0.8%CVE-2020-8974CRITICALZGR TPS200 NG Missing Reference to Active Allocated ResourceEPSS 0.8%CVE-2024-8294MEDIUMFeehiCMS index.php update unrestricted uploadEPSS 0.8%CVE-2025-2249HIGHSoJ Soundslides <= 1.2.2 - Authenticated (Contributor+) Arbitrary File UploadEPSS 0.8%CVE-2024-8295MEDIUMFeehiCMS index.php createBanner unrestricted uploadEPSS 0.8%CVE-2026-33704HIGHChamilo LMS Affected by Authenticated Arbitrary File Write via BigUpload endpointEPSS 0.8%CVE-2023-0651MEDIUMFastCMS Template Management unrestricted uploadEPSS 0.8%CVE-2024-8296MEDIUMFeehiCMS index.php insert unrestricted uploadEPSS 0.8%CVE-2025-58159CRITICALWeGIA Authenticated Arbitrary File Upload Leading To Remote Code Execution (RCE)EPSS 0.8%CVE-2024-48781CRITICALAn issue in Wanxing Technology Yitu Project Management Kirin Edition 2.3.6 allows a remote attacker to execute arbitrary code via a speciallEPSS 0.8%CVE-2025-13543HIGHPostGallery <= 1.12.5 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 0.8%