A stored cross-site scripting (XSS) vulnerability in the component /core/admin/categories.php of PluXml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the content and thumbnail parameters.
https://github.com/Nguyen-Trung-Kien/CVE/blob/main/CVE-2022-24586/CVE-2022-24586.pdf