Lightweight news portal (LNP) 1.0b does not properly restrict access to administrator functionality, which allows remote attackers to gain administrator privileges via direct requests to admin.php with the (1) potd_delete, (2) potd, (3) vote_update, (4) vote, or (5) modifynews actions.

Multiple cross-site scripting (XSS) vulnerabilities in Lightweight news portal (LNP) 1.0b allow remote attackers to inject arbitrary web script or HTML via the (1) photo parameter to show_photo.php, (2) potd parameter to show_potd.php, or (3) the Current question field in a vote action to admin.php.