Weaknesses of type CWE-434

3,093 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-2026-29859CRITICALAn arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.EPSS 0.8%CVE-2026-48062CRITICALCodeIgniter: Uploaded file extension validation bypass in `ext_in` ruleEPSS 0.8%CVE-2024-25674CRITICALAn issue was discovered in MISP before 2.4.184. Organisation logo upload is insecure because of a lack of checks for the file extension and EPSS 0.8%CVE-2022-50993CRITICALWeaver E-office < 10.0_20221201 Unauthenticated Arbitrary File Read via XmlRpcServletEPSS 0.8%CVE-2023-1561MEDIUMcode-projects Simple Online Hotel Reservation System add_room.php unrestricted uploadEPSS 0.8%CVE-2024-53822CRITICALWordPress Pie Register Premium plugin < 3.8.3.3 - Arbitrary File Upload vulnerabilityEPSS 0.8%CVE-2023-53956HIGHFlatnux 2021-03.25 Authenticated File Upload Remote Code ExecutionEPSS 0.8%CVE-2025-69981HIGHFUXA v1.2.7 contains an Unrestricted File Upload vulnerability in the `/api/upload` API endpoint. The endpoint lacks authentication mechanisEPSS 0.8%CVE-2023-51925CRITICALAn arbitrary file upload vulnerability in the nccloud.web.arcp.taskmonitor.action.ArcpUploadAction.doAction() method of YonBIP v3_23.05 alloEPSS 0.8%CVE-2023-51928CRITICALAn arbitrary file upload vulnerability in the nccloud.web.arcp.taskmonitor.action.ArcpUploadAction.doAction() method of YonBIP v3_23.05 alloEPSS 0.8%CVE-2024-1116HIGHopenBI Upload.php index unrestricted uploadEPSS 0.8%CVE-2023-51924CRITICALAn arbitrary file upload vulnerability in the uap.framework.rc.itf.IResourceManager interface of YonBIP v3_23.05 allows attackers to executeEPSS 0.8%CVE-2024-8170MEDIUMSourceCodester Zipped Folder Manager App add-folder.php unrestricted uploadEPSS 0.8%CVE-2024-22895HIGHDedeCMS 5.7.112 has a File Upload vulnerability via uploads/dede/module_upload.php.EPSS 0.8%CVE-2024-11017HIGHGrand Vice info Webopac - Arbitrary File UploadEPSS 0.8%CVE-2025-56704HIGHLeptonCMS version 7.3.0 contains an arbitrary file upload vulnerability, which is caused by the lack of proper validation for uploaded filesEPSS 0.8%CVE-2024-3705HIGHUnrestricted Upload of File with Dangerous Type vulnerability in OpenGnsysEPSS 0.8%CVE-2024-40071CRITICALSourcecodester Online ID Generator System 1.0 was discovered to contain an arbitrary file upload vulnerability via id_generator/classes/SystEPSS 0.8%CVE-2021-47753CRITICALphpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)EPSS 0.8%CVE-2024-1034HIGHopenBI File.php uploadFile unrestricted uploadEPSS 0.8%