### [CVE-2021-24787](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24787) ![](https://img.shields.io/static/v1?label=Product&message=Client%20Invoicing%20by%20Sprout%20Invoices%20%E2%80%93%20Easy%20Estimates%20and%20Invoices%20for%20WordPress&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=19.9.7%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brightgreen) ### Description The Client Invoicing by Sprout Invoices WordPress plugin before 19.9.7 does not sanitise and escape some of its settings, 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/c89bf498-f384-49de-820e-6cbd70390db2 #### Github - https://github.com/20142995/nuclei-templates