Race condition in articles/BitArticle.php in Bitweaver 1.3, when run on Apache with the mod_mime extension, allows remote attackers to execute arbitrary PHP code by uploading arbitrary files with double extensions, which are stored for a small period of time under the webroot in the temp/articles directory.
https://www.exploit-db.com/exploits/1918
https://exchange.xforce.ibmcloud.com/vulnerabilities/27215
http://www.vupen.com/english/advisories/2006/2405
http://www.securityfocus.com/archive/1/437491/100/0/threaded
http://www.bitweaver.org/articles/45
http://sourceforge.net/project/shownotes.php?release_id=336854&group_id=141358