Class weakness
Incomplete
CWE-790: Improper Filtering of Special Elements
The product receives data from an upstream component, but does not filter or incorrectly filters special elements before sending it to a downstream component.
Last updated
12
Recorded CVEs
With this primary weakness
0
KEVs
In the CISA KEV catalog
Not rated
Likelihood of exploit
Per MITRE
Class
Abstraction
MITRE classification
Overview
CWE-790 (Improper Filtering of Special Elements) is a class-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.
Real-world CVEs
12 recorded CVEs are caused by CWE-790 (Improper Filtering of Special Elements). The highest-severity and most recent are shown first. 3 new CWE-790 CVEs have been recorded so far in 2026 (1 in 2025).