CWE-692
Incomplete Denylist to Cross-Site Scripting
2008-04-11
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Nome: Incomplete Denylist to Cross-Site Scripting
The product uses a denylist-based protection mechanism to defend against XSS attacks, but the denylist is incomplete.
Informações Gerais
Modos de Introdução
ImplementationPlataformas Aplicáveis
Linguagem
Classe: Not Language-Specific (Undetermined)Tecnologias
Classe: Web Based (Often)Nome: Web Server (Often)
Consequências Comuns
| Escopo | Impacto | Probabilidade |
|---|---|---|
| Confidentiality Integrity Availability | Execute Unauthorized Code or Commands Nota: Attackers could create XSS variants that still work. While XSS might seem simple to prevent, web browsers vary so widely in how they parse web pages, that a denylist cannot keep track of all the variations. The "XSS Cheat Sheet" [REF-714] contains a large number of attacks that are intended to bypass incomplete denylists. |
Exemplos Observados
| Referências | Descrição |
|---|---|
CVE-2007-5727 | Denylist only removes |