The XML Import/Export plugin in MantisBT 1.2.x does not restrict access, which allows remote attackers to (1) upload arbitrary XML files via the import page or (2) obtain sensitive information via the export page. NOTE: this issue can be combined with CVE-2014-7146 to execute arbitrary PHP code.
https://github.com/mantisbt/mantisbt/commit/80a15487
https://exchange.xforce.ibmcloud.com/vulnerabilities/98573
http://www.securityfocus.com/bid/70996
http://www.openwall.com/lists/oss-security/2014/11/07/28
http://www.mantisbt.org/bugs/view.php?id=17780