vBulletin version 3.8.x with vBadvanced CMPS version 3.2.3 suffers from an open redirection vulnerability.
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# Exploit Title : vBulletin 3.8.x vBadvanced CMPS v3.2.3 Open Redirection
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 01/03/2019
# Vendor Homepage : vbulletin.com ~ vbadvanced.com
# Software Download Link : vbadvanced.com/products.php?do=productinfo&productid=4
# Software Information Link : vietvbb.vn/up/showthread.php?t=66952
# Software Version : 3.2.3
# Sofware Technical Requirements :
vBulletin 3.6.0 - 3.8.x or higher. - PHP 4.0.6 or higher. - MySQL 3.23 or higher is recommended.
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : Medium
# Google Dorks : intext:"Powered by vBadvanced CMPS v3.2.3"
Powered by vBadvanced CMPS v3.2.3 intext:vBSecurity v2.2.2 (Pro)
# Vulnerability Type : CWE-601 [ URL Redirection to Untrusted Site ('Open Redirect') ]
# PacketStormSecurity : packetstormsecurity.com/files/authors/13968
# CXSecurity : cxsecurity.com/author/KingSkrupellos/1/
# Exploit4Arab : exploit4arab.org/author/351/KingSkrupellos
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# Description about Software :
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vBadvanced CMPS (Content Management & Portal System) is an advanced portal / CMS
that allows you to easily include elements from your vBulletin message board on your web
site's homepage, or other pages. It's module system (w/ 14 default modules included) makes
almost every aspect of the software easy to customize and change through your Admin CP.
Easily create and manage new pages with your own custom content with the ability to change
every setting on a per-page basis. Integrating CMPS modules with your vBulletin forum
pages can also be done with no file modifications required.
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# Impact :
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This web application vBulletin 3.8.x vBadvanced CMPS v3.2.3 accepts a user-controlled
input that specifies a link to an external site, and uses that link in a Redirect.
This simplifies phishing attacks. An http parameter may contain a URL value and could cause
the web application to redirect the request to the specified URL. By modifying the URL value
to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials.
Because the server name in the modified link is identical to the original site, phishing attempts
have a more trustworthy appearance.
Open redirect is a failure in that process that makes it possible for attackers to steer users to malicious websites.
This vulnerability is used in phishing attacks to get users to visit malicious sites without realizing it.
Web users often encounter redirection when they visit the Web site of a company whose name
has been changed or which has been acquired by another company. Visiting unreal web page
user's computer becomes affected by malware the task of which is to deceive the valid actor and steal his personal data.
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# Open Redirection Exploit :
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/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/forum/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/forums/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team
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