Untrusted search path vulnerability in the script function in Lunascape before 6.4.3 allows local users to gain privileges via a Trojan horse executable file in the current working directory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/65592
http://secunia.com/advisories/43441
http://lunapedia.lunascape.jp/index.php?title=Lunascape6#2011.2F02.2F18_ver_6.4.3