SQL injection vulnerability in Limesurvey (a.k.a PHPSurveyor) before 1.91+ Build 120224 and earlier allows remote attackers to execute arbitrary SQL commands via the fieldnames parameter to index.php.
LimeSurvey 1.90+ build9642-20101214 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by admin/statistics.php and certain other files.