An issue was discovered in Navigate CMS 2.8 and 2.9 r1433. The query parameter fid on the resource navigate.php does not perform sufficient data validation and/or encoding, making it vulnerable to reflected XSS.
An issue was discovered in Navigate CMS through 2.8.7. It allows Directory Traversal because lib/packages/templates/template.class.php mishandles ../ and ..\ substrings.
An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.