CVEs-PoC/2021/CVE-2021-24245.md

### [CVE-2021-24245](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24245)
![](https://img.shields.io/static/v1?label=Product&message=Stop%20Spammers&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=2021.9%3C%202021.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.

### POC

#### Reference
- http://packetstormsecurity.com/files/162623/WordPress-Stop-Spammers-2021.8-Cross-Site-Scripting.html
- https://wpscan.com/vulnerability/5e7accd6-08dc-4c6e-9d19-73e2d7e97735

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates