Home/CWE/Improper Handling of Extra Parameters
Weakness

Improper Handling of Extra Parameters

CWE-235 · Variant · Draft

The product does not handle or incorrectly handles when the number of parameters, fields, or arguments with the same name exceeds the expected amount.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-233 · Improper Handling of Parameters
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Attack Patterns (CAPEC)

1
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-460HTTP Parameter Pollution (HPP)
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CVEs With This Weakness

4
CVEs tagged with this weakness.
CVECVE-2026-27851
CVECVE-2026-20083
CVECVE-2024-47651
CVECVE-2017-20160
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