Several vulnerabilities have been discovered in mediawiki1.7, a website engine for collaborative work. The Common Vulnerabilities and Exposures project identifies the following problems: David Remahl discovered that mediawiki1.7 is prone to a cross-site scripting attack. David Remahl discovered that mediawiki1.7, when Internet Explorer is used and uploads are enabled, or an SVG scripting browser is used and SVG uploads are enabled, allows remote authenticated users to inject arbitrary web script or HTML by editing a wiki page. David Remahl discovered that mediawiki1.7 is prone to a cross-site request forgery vulnerability in the Special:Import feature. It was discovered that mediawiki1.7 is prone to a cross-site scripting attack in the web-based installer.