CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

Medium

Description

The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.

Potential Impact

How to Fix

Implementation

Avoid using CRLF as a special sequence.

Implementation

Appropriately filter or quote CRLF sequences in user-controlled input.

Detection Methods

Related Weaknesses

References

View on MITRE CWE Database →

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