SQL injection vulnerability in application/controllers/admin/questiongroups.php in LimeSurvey before 2.06+ Build 150618 allows remote authenticated administrators to execute arbitrary SQL commands via the sid parameter.
https://github.com/LimeSurvey/LimeSurvey/pull/331
https://github.com/LimeSurvey/LimeSurvey/commit/e15861a65b7028adfc23ef6af8563f645e318548
https://github.com/LimeSurvey/LimeSurvey/commit/b09edc0dbd18d8459ade4c7c941e562c16564f9e