Multiple PHP remote file inclusion vulnerabilities in LimeSurvey (aka PHPSurveyor) 1.49RC2 allow remote attackers to execute arbitrary PHP code via a URL in the homedir parameter to (1) OLE/PPS/File.php, (2) OLE/PPS/Root.php, (3) Spreadsheet/Excel/Writer.php, or (4) OLE/PPS.php in admin/classes/pear/; or (5) Worksheet.php, (6) Parser.php, (7) Workbook.php, (8) Format.php, or (9) BIFFwriter.php in admin/classes/pear/Spreadsheet/Excel/Writer/.