Falhas do tipo CWE-79

28.645 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-2015-9103—Multiple cross-site scripting (XSS) vulnerabilities in Synology Note Station 1.1-0212 and earlier allow remote authenticated attackers to inEPSS 0.8%CVE-2021-25926MEDIUMIn SiCKRAGE, versions 9.3.54.dev1 to 10.0.11.dev1 are vulnerable to Reflected Cross-Site-Scripting (XSS) due to user input not being validatEPSS 0.8%CVE-2020-3406MEDIUMCisco SD-WAN vManage Software Cross-Site Scripting VulnerabilityEPSS 0.8%CVE-2026-11443MEDIUMAllegra downloadAttachment Cross-Site Scripting Authentication Bypass VulnerabilityEPSS 0.8%CVE-2022-29230MEDIUMPotential cross-site scripting (XSS) vulnerability in HydrogenEPSS 0.8%CVE-2021-38359MEDIUMWordPress InviteBox Plugin <= 1.4.1 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2022-0946CRITICALStored XSS viva cshtm file upload in star7th/showdocEPSS 0.8%CVE-2024-45177MEDIUMAn issue was discovered in za-internet C-MOR Video Surveillance 5.2401 and 6.00PL01. Due to improper input validation, the C-MOR web interfaEPSS 0.8%CVE-2021-34660MEDIUMWP Fusion Lite <= 3.37.18 Reflected Cross-Site ScriptingEPSS 0.8%CVE-2026-32751MEDIUMSiYuan Vulnerable to Remote Code Execution via Stored XSS in Notebook Name - Mobile InterfaceEPSS 0.8%CVE-2024-3867MEDIUMTainacan Interface <= 2.7.2 - Reflected Cross-Site ScriptingEPSS 0.8%CVE-2026-76053HIGHTranslatePress <= 3.3.3 - Unauthenticated Stored Cross-Site Scripting via Comment Noise-Key Injection into HTML ParserEPSS 0.8%CVE-2022-36020MEDIUMBypass of Cross-Site Scripting Protection in typo3/html-sanitizerEPSS 0.8%CVE-2021-1130MEDIUMCisco DNA Center Cross-Site Scripting VulnerabilityEPSS 0.8%CVE-2022-21648HIGHSandbox bypass in Latte templatesEPSS 0.8%CVE-2023-32693HIGHDecidim Cross-site Scripting vulnerability in the external link redirectionsEPSS 0.8%CVE-2026-93922HIGHSiYuan through 3.8.4 Stored XSS via notebook namesEPSS 0.8%CVE-2022-30278—A vulnerability in Black Duck Hub’s embedded MadCap Flare documentation files could allow an unauthenticated remote attacker to conduct a crEPSS 0.8%CVE-2022-20778MEDIUMCisco Webex Meetings Cross-Site Scripting VulnerabilityEPSS 0.8%CVE-2021-31851MEDIUMCross-Site Scripting vulnerability in Policy AuditorEPSS 0.8%