Detalle CWE-692

CWE-692

Incomplete Denylist to Cross-Site Scripting
2008-04-11
00h00 +00:00
Draft
2026-10-28
00h00 +00:00
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Nombre: Incomplete Denylist to Cross-Site Scripting

The product uses a denylist-based protection mechanism to defend against XSS attacks, but the denylist is incomplete.

Informaciones generales

Modos de introducción

Implementation

Plataformas aplicables

Lenguaje

Clase: Not Language-Specific (Undetermined)

Tecnologías

Clase: Web Based (Often)
Nombre: Web Server (Often)

Consecuencias comunes

Alcance Impacto Probabilidad
Confidentiality
Integrity
Availability
Execute Unauthorized Code or Commands

Note: 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.

Ejemplos observados

Referencias Descripción

CVE-2007-5727

Denylist only removes