Falhas do tipo CWE-79

28.747 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-2022-0698MEDIUMMicroweber version 1.3.1 allows an unauthenticated user to perform an account takeover via an XSS on the 'select-file' parameter.EPSS 0.7%CVE-2021-36845MEDIUMYITH Maintenance Mode (WordPress plugin) <= 1.3.8 - Multiple Authenticated Stored Cross-Site Scripting (XSS) vulnerabilitiesEPSS 0.7%CVE-2026-86712HIGHSiYuan before 3.8.2 Remote Code Execution via ClipboardEPSS 0.7%CVE-2023-3837LOWDedeBIZ sys_sql_query.php cross site scriptingEPSS 0.7%CVE-2023-42458LOWZope vulnerable to Stored Cross Site Scripting with SVG imagesEPSS 0.7%CVE-2022-1255—Import and export users and customers < 1.19.2.1 - Admin+ Stored Cross-Site ScriptingEPSS 0.7%CVE-2022-38162MEDIUMReflected cross-site scripting (XSS) vulnerabilities in WithSecure through 2022-08-10) exists within the F-Secure Policy Manager due to an uEPSS 0.7%CVE-2024-1970MEDIUMSourceCodester Online Learning System V2 index.php cross site scriptingEPSS 0.7%CVE-2021-25983MEDIUMFactorJS - Reflected Cross-Site Scripting (XSS) in Tags and Categories FunctionalityEPSS 0.7%CVE-2021-25984MEDIUMFactorJS - Stored Cross-Site Scripting (XSS) in Post Reply FunctionalityEPSS 0.7%CVE-2023-34464CRITICALXWiki vulnerable to stored cross-site scripting via any wiki document and the displaycontent/rendercontent templateEPSS 0.7%CVE-2023-0513LOWisoftforce Dreamer CMS cross site scriptingEPSS 0.7%CVE-2024-27524HIGHCross Site Scripting vulnerability in Chamilo LMS v.1.11.26 allows a remote attacker to escalate privileges via a crafted script to the fileEPSS 0.7%CVE-2023-0740HIGHCross-site Scripting (XSS) - Stored in answerdev/answerEPSS 0.7%CVE-2022-43760HIGHAn Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in SUSE Rancher allows users in some hEPSS 0.7%CVE-2024-29203MEDIUMTinyMCE Cross-Site Scripting (XSS) vulnerability in handling iframesEPSS 0.7%CVE-2024-29881MEDIUMTinyMCE Cross-Site Scripting (XSS) vulnerability in handling external SVG files through Object or Embed elementsEPSS 0.7%CVE-2024-28740MEDIUMCross Site Scripting vulnerability in Koha ILS 23.05 and before allows a remote attacker to execute arbitrary code via the additonal-contentEPSS 0.7%CVE-2024-34452MEDIUMCMSimple_XH 1.7.6 allows XSS by uploading a crafted SVG document.EPSS 0.7%CVE-2024-32970HIGHCross-site Scripting (XSS) possible with maliciously formed HTML attribute names and values in PhlexEPSS 0.7%