Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.
https://github.com/BlackCatDevelopment/BlackCatCMS/issues/384
https://github.com/BlackCatDevelopment/BlackCatCMS/commit/a817755828cd0bfd4b87b0eb5cec59ffe57d3c3e