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-2023-3806MEDIUMSourceCodester House Rental and Property Listing System btn_functions.php unrestricted uploadEPSS 0.9%CVE-2023-1479MEDIUMSourceCodester Simple Music Player save_music.php unrestricted uploadEPSS 0.9%CVE-2023-1797MEDIUMOTCMS unrestricted uploadEPSS 0.9%CVE-2022-45527CRITICALFile upload vulnerability in Future-Depth Institutional Management Website (IMS) 1.0, allows unauthorized attackers to directly upload malicEPSS 0.9%CVE-2021-23280HIGHArbitrary File uploadEPSS 0.9%CVE-2026-35174CRITICALChyrp Lite has a Path Traversal to Remote Code ExecutionEPSS 0.9%CVE-2026-27891HIGHRemote Code Execution (RCE) via Zip Slip in Plugin Upload MechanismEPSS 0.9%CVE-2022-2779MEDIUMSourceCodester Gas Agency Management System oneWord.php unrestricted uploadEPSS 0.9%CVE-2026-4883CRITICALPiotnet Forms <= 2.1.40 - Unauthenticated Arbitrary File Upload via Form File UploadEPSS 0.9%CVE-2026-4882CRITICALUser Registration Advanced Fields <= 1.6.20 - Unauthenticated Arbitrary File UploadEPSS 0.9%CVE-2023-1433MEDIUMSourceCodester Gadget Works Online Ordering System Products unrestricted uploadEPSS 0.9%CVE-2024-4945MEDIUMSourceCodester Best Courier Management System view_parcel.php unrestricted uploadEPSS 0.9%CVE-2026-6960CRITICALBookingPress Pro <= 5.6 - Unauthenticated Arbitrary File Upload via Signature Custom FieldEPSS 0.9%CVE-2026-4885CRITICALPiotnet Addons for Elementor Pro <= 7.1.70 - Unauthenticated Arbitrary File Upload via Form File UploadEPSS 0.9%CVE-2017-9279LOWNetIQ Identity Manager allowed uploading of user icons with incorrect types or extensionsEPSS 0.9%CVE-2024-6373MEDIUMitsourcecode Online Food Ordering System addproduct.php unrestricted uploadEPSS 0.9%CVE-2024-5745MEDIUMitsourcecode Bakery Online Ordering System unrestricted uploadEPSS 0.9%CVE-2024-6084MEDIUMitsourcecode Pool of Bethesda Online Reservation System uploadImage unrestricted uploadEPSS 0.9%CVE-2024-13011CRITICALWP Foodbakery <= 4.7 - Unauthenticated Arbitrary File UploadEPSS 0.9%CVE-2023-2738MEDIUMTongda OA GatewayController.php actionGetdata unrestricted uploadEPSS 0.9%