SQL injection vulnerability in the insert function in application/controllers/admin/dataentry.php in LimeSurvey 2.06+ allows remote authenticated users to execute arbitrary SQL commands via the closedate parameter.
https://github.com/LimeSurvey/LimeSurvey/commit/65d717415a271242b9a30a5330d4eabac1c1a837
https://bugs.limesurvey.org/view.php?id=9720
https://bugs.limesurvey.org/plugin.php?page=Source/view&id=15509