Several remote vulnerabilities have been discovered in MoinMoin, a Python clone of WikiWiki. The Common Vulnerabilities and Exposures project identifies the following problems: A cross-site-scripting vulnerability has been discovered in attachment handling. Access control lists for calendars and includes were insufficiently enforced, which could lead to information disclosure. A cross-site-scripting vulnerability has been discovered in the login code. A cross-site-scripting vulnerability has been discovered in attachment handling. A directory traversal vulnerability in cookie handling could lead to local denial of service by overwriting files. Cross-site-scripting vulnerabilities have been discovered in the GUI editor formatter and the code to delete pages. The macro code validates access control lists insufficiently, which could lead to information disclosure.