Weakness · Medium
CWE-794: Incomplete Filtering of Multiple Instances of Special Elements
What it is
The product receives data from an upstream component, but does not filter all instances of a special element before sending it to a downstream component.
- Severity (our rating)
- Medium
- Likelihood of exploit
- Not rated by MITRE
- Introduced during
- Implementation
- Exploited in the wild
- No CVE in CISA's catalog
In more detail
Incomplete filtering of this nature may be applied to: sequential elements (special elements that appear next to each other) or non-sequential elements (special elements that appear multiple times in different locations).
What an attacker can do
- Unexpected State (Integrity)
How to prevent it
MITRE lists no specific mitigation for this weakness. Treat it like its parent weaknesses below: validate input, keep the design simple and review the code where it could appear.
H2 Security
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Start freeSource: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.