cve/2022/CVE-2022-4666.md

### [CVE-2022-4666](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4666)
![](https://img.shields.io/static/v1?label=Product&message=Markup%20(JSON-LD)%20structured%20in%20schema.org&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-Site%20Scripting%20(XSS)&color=brighgreen)

### Description

The Markup (JSON-LD) structured in schema.org WordPress plugin through 4.8.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

### POC

#### Reference
- https://wpscan.com/vulnerability/a6d23f2f-9504-40da-9b71-189033d8bd1d

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