login.php in Pligg CMS 9.5 uses a guessable confirmation code when resetting a forgotten password, which allows remote attackers with knowledge of a username to reset that user's password by calculating the confirmationcode parameter.Referenceshttp://osvdb.org/42031https://exchange.xforce.ibmcloud.com/vulnerabilities/34512http://www.securityfocus.com/bid/24158http://archives.neohapsis.com/archives/bugtraq/2007-05/0383.html