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-2022-48006CRITICALAn arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a crafted PHP file. This vulnerabilitEPSS 0.9%CVE-2022-50916HIGHe107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file overrideEPSS 0.9%CVE-2023-53889HIGHPerch CMS 3.2 Remote Code Execution via Unrestricted File UploadEPSS 0.9%CVE-2025-12973HIGHS2B AI Assistant – ChatBot, ChatGPT, OpenAI, Content & Image Generator <= 1.7.8 - Authenticated (Editor+) Arbitrary File UploadEPSS 0.9%CVE-2023-53885HIGHWebutler v3.2 Remote Code Execution via Arbitrary File UploadEPSS 0.9%CVE-2023-1442MEDIUMMeizhou Qingyunke QYKCMS Update api.php unrestricted uploadEPSS 0.9%CVE-2026-54177MEDIUMbackpack/crud: HasUploadFields keeps the attacker-supplied file extension — public-disk uploads of `shell.php` reach the webserverEPSS 0.9%CVE-2024-7484HIGHCRM Perks Forms <= 1.1.3 - Authenticated (Administrator+) Arbitrary File UploadEPSS 0.9%CVE-2023-37289CRITICALInfoDoc Document On-line Submission and Approval System - Arbitrary File UploadEPSS 0.9%CVE-2023-32753CRITICALITPison OMICARD EDM - Arbitrary File UploadEPSS 0.9%CVE-2023-32757CRITICALe-Excellence U-Office Force - Arbitrary File UploadEPSS 0.9%CVE-2016-15046HIGHHanwha Techwin SSM 1.32 & 1.4 ActiveMQ File Upload RCEEPSS 0.9%CVE-2022-1033HIGHUnrestricted Upload of File with Dangerous Type in crater-invoice/craterEPSS 0.9%CVE-2020-22755HIGHFile upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVEEPSS 0.9%CVE-2024-54918CRITICALKashipara E-learning Management System v1.0 is vulnerable to Remote Code Execution via File Upload in /teacher_avatar.php.EPSS 0.9%CVE-2025-3054HIGHWP User Frontend Pro <= 4.1.3 - Authenticated (Subscriber+) Arbitrary File UploadEPSS 0.9%CVE-2026-75865CRITICALWPLP Cookie Consent <= 4.4.1 - Unauthenticated Arbitrary File Upload via 'upload-logo' REST EndpointEPSS 0.9%CVE-2024-1527CRITICALUnrestricted Upload of File with Dangerous Type in CMS Made SimpleEPSS 0.9%CVE-2024-45171HIGHAn issue was discovered in za-internet C-MOR Video Surveillance 5.2401. Due to improper user input validation, it is possible to upload dangEPSS 0.9%CVE-2025-25784CRITICALAn arbitrary file upload vulnerability in the component \c\TemplateController.php of Jizhicms v2.5.4 allows attackers to execute arbitrary cEPSS 0.9%