Falhas do tipo CWE-79

28.607 resultados

Injeção de Script entre Sites (XSS)

Ocorre quando a aplicação insere dados não validados do usuário diretamente em páginas HTML enviadas ao navegador, permitindo que atacantes injetem código JavaScript malicioso. O navegador executa esse script com os mesmos privilégios da sessão legítima, comprometendo dados da vítima ou sua conta.

Exemplo

Um formulário de busca que exibe o termo digitado na página sem sanitização: se você buscar por '<script>alert(1)</script>', esse script será executado no navegador de quem abrir o resultado. Um atacante pode roubar cookies de sessão ou redirecionar para um site falso.

Como mitigar

Valide e escape todos os dados do usuário antes de renderizar em HTML (use funções nativas como textContent em vez de innerHTML). Para entrada de dados, liste o que é permitido (whitelist); para saída, contextualize o escape (HTML, JavaScript, URL). Use Content Security Policy (CSP) como camada adicional para restringir execução de scripts inline.

CVE-2019-14863HIGHThere is a vulnerability in all angular versions before 1.5.0-beta.0, where after escaping the context of the web application, the web appliEPSS 1.2%CVE-2020-8127—Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-EPSS 1.2%CVE-2022-34870MEDIUMApache Geode stored Cross-Site Scripting (XSS) via data injection vulnerability in Pulse web applicationEPSS 1.2%CVE-2021-24876—Registrations for The Events Calendar < 2.7.5 - Reflected Cross-Site ScriptingEPSS 1.2%CVE-2022-0121HIGHCross-site Scripting in hoppscotch/hoppscotchEPSS 1.2%CVE-2024-7815MEDIUMCodeAstro Online Railway Reservation System Update Employee Page admin-update-employee.php cross site scriptingEPSS 1.2%CVE-2018-14655MEDIUMA flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary EPSS 1.2%CVE-2023-0776HIGHRemote Code Execution in Baicells QRTB PlatformEPSS 1.2%CVE-2021-32808HIGHCross-site scripting in ckeditor via abuse of undo functionalityEPSS 1.2%CVE-2024-34058HIGHThe WebTop package for NethServer 7 and 8 allows stored XSS (for example, via the Subject field if an e-mail message).EPSS 1.2%CVE-2015-3976—GE Multilink Cross-site ScriptingEPSS 1.2%CVE-2021-24305—Target First Plugin 2.0 - Unauthenticated Stored XSS via Licence KeyEPSS 1.2%CVE-2021-21080MEDIUMAdobe Connect Reflected Cross-site Scripting via query parameterEPSS 1.2%CVE-2021-24991—WooCommerce PDF Invoices & Packing Slips < 2.10.5 - Reflected Cross-Site ScriptingEPSS 1.2%CVE-2021-24294—DSGVO All in one for WP < 4.0 - Unauthenticated Stored Cross-Site Scripting (XSS)EPSS 1.2%CVE-2021-24796—My Tickets < 1.8.31 - Unauthenticated Stored Cross-Site ScriptingEPSS 1.2%CVE-2022-1985MEDIUMDownload Manager <= 3.2.42 - Reflected Cross-Site ScriptingEPSS 1.2%CVE-2017-16017—sanitize-html is a library for scrubbing html input for malicious values Versions 1.2.2 and below have a cross site scripting vulnerability.EPSS 1.2%CVE-2025-52879MEDIUMIn JetBrains TeamCity before 2025.03.3 reflected XSS in the NPM Registry integration was possibleEPSS 1.2%CVE-2022-30999HIGHPossible cross-site scripting attack via unsanitized SVG files in FoF UploadEPSS 1.2%