CVE 2012-3414
Cross-site scripting (XSS) vulnerability in swfupload.swf in SWFUpload 2.2.0.1 and earlier, as used in WordPress before 3.3.2, TinyMCE Image Manager 1.1, and other products, allows remote attackers to inject arbitrary web script or HTML via the movieName parameter, related to the "ExternalInterf
See the 
CVE page on Mitre.org
for more details.
