Multiple vulnerabilities have been reported in MoinMoin, which can be exploited by malicious users to conduct script insertion attacks and compromise a vulnerable system and by malicious people to manipulate certain data.
Microsoft Security Bulletin Advance Notification for December 2012. Microsoft has posted 5 Critical Bulletins and 2 Important Bulletins. Bulletins with the Maximum Severity Rating and Vulnerability Impact of "Critical" may allow remote execution of code. Microsoft will host a webcast to address customer questions on the security bulletins on December 12, 2012, at 11:00 AM Pacific Time (US & Canada).