File Upload vulnerability in FUEL-CMS v.1.4.6 allows a remote attacker to execute arbitrary code via a crafted .php file to the upload parameter in the navigation function.
A stored cross-site scripting (XSS) vulnerability exists in FUEL-CMS 1.5.1 that allows an authenticated user to upload a malicious .pdf file which acts as a stored XSS payload. If this stored XSS payload is triggered by an administrator it will trigger a XSS attack.