CVEs-PoC/2021/CVE-2021-24980.md

### [CVE-2021-24980](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24980)
![](https://img.shields.io/static/v1?label=Product&message=Gwolle%20Guestbook&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=4.2.0%3C%204.2.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page

### POC

#### Reference
- https://wpscan.com/vulnerability/e50bcb39-9a01-433f-81b3-fd4018672b85

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