Multiple PHP remote file inclusion vulnerabilities in ChronoEngine ChronoForms (com_chronocontact) 2.3.5 component for Joomla! allow remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter to (1) PPS/File.php, (2) Writer.php, and (3) PPS.php in excelwriter/; and (4) BIFFwriter.php, (5) Workbook.php, (6) Worksheet.php, and (7) Format.php in excelwriter/Writer/.