Upgrade to version 1.3.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
Vendor URL: http://www.sourcenext.info/download/jijou.html
Secunia Advisory ID:24603
Related OSVDB ID: 34408
Other Advisory URL: http://jvn.jp/jp/JVN%2364227086/index.html