Weaknesses of type CWE-434

3,104 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-2025-15426MEDIUMjackying H-ui.admin preview.php unrestricted uploadEPSS 0.5%CVE-2024-33836CRITICALIn the module "JA Marketplace" (jamarketplace) up to version 9.0.1 from JA Module for PrestaShop, a guest can upload files with extensions .EPSS 0.5%CVE-2025-3798MEDIUMWCMS Advertisement Image AdvadminController.php sub unrestricted uploadEPSS 0.5%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-2025-5728MEDIUMSourceCodester Open Source Clinic Management System manage_website.php unrestricted uploadEPSS 0.5%CVE-2025-32660CRITICALWordPress JS Job Manager plugin <= 2.0.2 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-5059MEDIUMCampcodes Online Shopping Portal edit-subcategory.php unrestricted uploadEPSS 0.5%CVE-2025-69403CRITICALWordPress Bravis Addons plugin <= 1.3.0 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-4926MEDIUMPHPGurukul Car Rental Project post-avehical.php unrestricted uploadEPSS 0.5%CVE-2025-7547MEDIUMCampcodes Online Movie Theater Seat Reservation System admin_class.php save_movie unrestricted uploadEPSS 0.5%CVE-2025-68549CRITICALWordPress Wiguard theme < 2.0.1 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2025-2705MEDIUMDigiwin ERP FileUploadApi.ashx DoWebUpload unrestricted uploadEPSS 0.4%CVE-2025-6422MEDIUMCampcodes Online Recruitment Management System About Content Page ajax.php unrestricted uploadEPSS 0.4%CVE-2025-7538MEDIUMCampcodes Sales and Inventory System product_update.php unrestricted uploadEPSS 0.4%CVE-2025-14390HIGHVideo Merchant <= 5.0.4 - Cross-Site Request Forgery to Arbitrary File UploadEPSS 0.4%CVE-2025-7470MEDIUMCampcodes Sales and Inventory System product_add.php unrestricted uploadEPSS 0.4%CVE-2025-31339MEDIUMWisdom Master Pro - Unrestricted Upload of File with Dangerous TypeEPSS 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%