Unrestricted file upload vulnerability in ofc_upload_image.php in Open Flash Chart v2 Beta 1 through v2 Lug Wyrm Charmer, as used in Piwik 0.2.35 through 0.4.3, Woopra Analytics Plugin before 1.4.3.2, and possibly other products, when register_globals is enabled, allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension through the name parameter with the code in the HTTP_RAW_POST_DATA parameter, then accessing it via a direct request to the file in tmp-upload-images/.
https://exchange.xforce.ibmcloud.com/vulnerabilities/53825
http://www.vupen.com/english/advisories/2009/2966
http://www.openwall.com/lists/oss-security/2009/12/14/3
http://www.openwall.com/lists/oss-security/2009/12/14/1
http://www.exploit-db.com/exploits/24969
http://wordpress.org/extend/plugins/woopra/changelog/
http://secunia.com/advisories/55162
http://secunia.com/advisories/55160
http://secunia.com/advisories/37911
http://secunia.com/advisories/37078
http://piwik.org/blog/2009/10/piwik-response-to-secunia-advisory-sa37078/
http://packetstormsecurity.com/files/123494/wpslimstatex-exec.txt
http://packetstormsecurity.com/files/123493/wpseowatcher-exec.txt