Simple Machines Forum Multiple Vulnerabilities

Summary
The host is installed with Simple Machines Forum and is prone to multiple vulnerabilities.
Impact
Successful exploitation will allow attackers to obtain access or cause a denial of service or to conduct SQL injection attacks, obtain sensitive information. Impact Level: Application.
Solution
Apply the patch or upgrade to version 1.1.13 or 2.0 RC5 http://download.simplemachines.org/ http://custom.simplemachines.org/mods/downloads/smf_patch_2.0-RC4_security.zip ***** NOTE : Ignore this warning, if above mentioned fix is applied already. *****
Insight
Multiple flaws are due to, - An error in 'SSI.php', it does not properly restrict guest access. - An error in loadUserSettings function in 'Load.php', it does not properly handle invalid login attempts. - An error in EditNews function in 'ManageNews.php', which allow users to inject arbitrary web script or HTML via a save_items action. - An error in cleanRequest function in 'QueryString.php' and the constructPageIndex function 'in Subs.php'. - An error in PlushSearch2 function in 'Search.php', allow remote attackers to obtain sensitive information via a search.
Affected
Simple Machines Forum (SMF) before 1.1.13 and 2.x before 2.0 RC5
References