Flatnuke » Flatnuke » 2.5.5 : Security Vulnerabilities, CVEs,

The Gallery module in Simone Vellei Flatnuke 2.5.7 and earlier, when Gallery uploads are enabled, does not restrict the extensions of uploaded files that begin with a GIF header, which allows remote authenticated users to execute arbitrary PHP code via an uploaded .php file.

CRLF injection vulnerability in FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to execute arbitrary PHP commands via an ASCII char 13 (carriage return) in the signature field, which is injected into a PHP script without a preceding comment character, which can then be executed by a direct request.

Multiple cross-site scripting (XSS) vulnerabilities in FlatNuke 2.5.5 and possibly earlier versions allow remote attackers to inject arbitrary web script or HTML via the (1) bodycolor, (2) backimage, (3) theme, or (4) logo parameter to structure.php, (5) admin, (6) admin_mail, or (7) back parameter to footer.php, or (8) the message body in a news post.

FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to obtain sensitive information via (1) a null byte or (2) an MS-DOS device name such as AUX, CON, PRN, COM1, or LPT1 in the mod parameter.

FlatNuke 2.5.5 and possibly earlier versions allows remote attackers to obtain sensitive information via a direct request to structure.php.