MediaWiki < 1.19.9 / 1.20.8 / 1.21.3 Multiple Vulnerabilities

According to its version number, the instance of MediaWiki running on the remote host is affected by the following vulnerabilities : - Input validation errors exist that allow cross-site scripting attacks. CVE-2013-4567, CVE-2013-4568 - An error exists related to session IDs and HTTP headers that...