manage-admins.php in eSyndiCat Pro 1.x allows remote attackers to create additional administrative accounts, and have other unspecified impact, via modified username, new_pass, new_pass2, status, super, and certain other parameters in an add action.

Multiple cross-site scripting (XSS) vulnerabilities in admin/controller.php in eSyndiCat Pro 2.3.05 allow remote attackers to inject arbitrary web script or HTML via the (1) id parameter to the admins (2) blocks, (3) articles, or (4) suggest-category; or (5) sort parameter to the search page.