CVE-2009-4412
Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.
Date published : 2009-12-24
http://blog.s9y.org/archives/211-Serendipity-1.5-released.html