### [CVE-2021-24241](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24241) ![](https://img.shields.io/static/v1?label=Product&message=Advanced%20Custom%20Fields%20Pro&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=5.9.1%3C%205.9.1%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen) ### Description The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings page. ### POC #### Reference - https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83f #### Github No PoCs found on GitHub currently.