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TITLE:
DotNetNuke Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA30617

VERIFY ADVISORY:
http://secunia.com/advisories/30617/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
DotNetNuke 4.x
http://secunia.com/product/12059/
DotNetNuke 3.x
http://secunia.com/product/5103/
DotNetNuke 1.x
http://secunia.com/product/2897/

DESCRIPTION:
Some vulnerabilities have been reported in DotNetNuke, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

1) Input passed via invalid URLs is not properly sanitised before
being returned to a user. This can be exploited to execute arbitrary
HTML and script code in a user's browser session in context of an
affected site.

2) The Language skin object does not properly sanitise certain input
before returning it to a user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.

Successful exploitation requires that multiple language packs are
installed and the Language skin object is used.

NOTE: A cross-site scripting vulnerability when an error occurs while
installing DotNetNuke has also been reported.

The vulnerabilities are reported in versions prior to 4.8.4.

SOLUTION:
Update to version 4.8.4.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) AmnPardaz Security Research & Penetration Testing Group
2) Mauricio Marquez

ORIGINAL ADVISORY:
http://www.dotnetnuke.com/News/SecurityPolicy/SecurityBulletinno19/tabid/1166/Default.aspx
http://www.dotnetnuke.com/News/SecurityPolicy/SecurityBulletinno20/tabid/1167/Default.aspx
http://www.dotnetnuke.com/News/SecurityPolicy/SecurityBulletinno18/tabid/1165/Default.aspx

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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