cve/2021/CVE-2021-24381.md

### [CVE-2021-24381](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24381)
![](https://img.shields.io/static/v1?label=Product&message=Ninja%20Forms%20Contact%20Form%20%E2%80%93%20The%20Drag%20and%20Drop%20Form%20Builder%20for%20WordPress&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=3.5.8.2%3C%203.5.8.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

The Ninja Forms Contact Form WordPress plugin before 3.5.8.2 does not sanitise and escape the custom class name of the form field created, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

### POC

#### Reference
- https://wpscan.com/vulnerability/e383fae6-e0da-4aba-bb62-adf51c01bf8d

#### Github
No PoCs found on GitHub currently.