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Common Weakness Enumeration

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Home > CWE List > CWE-81: Improper Neutralization of Script in an Error Message Web Page (4.19)  
ID

CWE-81: Improper Neutralization of Script in an Error Message Web Page

Weakness ID: 81
Vulnerability Mapping: ALLOWED This CWE ID may be used to map to real-world vulnerabilities
Abstraction: Variant Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
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+ Description
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters that could be interpreted as web-scripting elements when they are sent to an error page.
+ Extended Description

Error pages may include customized 403 Forbidden or 404 Not Found pages.

When an attacker can trigger an error that contains script syntax within the attacker's input, then cross-site scripting attacks may be possible.

+ Common Consequences