Failure to Resolve Equivalent Special Elements into a Different Plane
Weakness ID: 76 (Weakness Base)Status: Draft
+ Description

Description Summary

The software fails to adequately filter non-typical special elements that are equivalent to control-relevant special elements that are already being filtered. This can also include encoded special characters.
+ Time of Introduction
  • Architecture and Design
  • Implementation
+ Applicable Platforms



+ Likelihood of Exploit

High to Very High

+ Potential Mitigations

Requirements specification: Programming languages and supporting technologies might be chosen which are not subject to these issues.

Phase: Implementation

Utilize an appropriate mix of white-list and black-list parsing to filter equivalent special element syntax from all input.

+ Weakness Ordinalities
(where the weakness exists independent of other weaknesses)
+ Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness ClassWeakness Class75Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
Development Concepts (primary)699
Research Concepts (primary)1000
+ Causal Nature


+ Taxonomy Mappings
Mapped Taxonomy NameNode IDFitMapped Node Name
PLOVEREquivalent Special Element Injection
+ Content History
Submission DateSubmitterOrganizationSource
PLOVERExternally Mined
Modification DateModifierOrganizationSource
2008-07-01Eric DalciCigitalExternal
updated Time of Introduction
2008-09-08CWE Content TeamMITREInternal
updated Relationships, Other Notes, Taxonomy Mappings, Weakness Ordinalities
2009-10-29CWE Content TeamMITREInternal
updated Description, Other Notes
Previous Entry Names
Change DatePrevious Entry Name
2008-04-11Equivalent Special Element Injection