CWE-181

Incorrect Behavior Order: Validate Before Filter
AI Translation Available

The product validates data before it has been filtered, which prevents the product from detecting data that becomes invalid after the filtering step.

Status
draft
Abstraction
variant

This can be used by an attacker to bypass the validation and launch attacks that expose weaknesses that would otherwise be prevented, such as injection.

Common Consequences

access control
Impacts
bypass protection mechanism

Potential Mitigations

Phases:
implementation architecture and design
Descriptions:
• Inputs should be decoded and canonicalized to the application's current internal representation before being filtered.

Functional Areas

protection mechanism