vBulletin version 4.2.3 with vBSecurity version 2.2.2 Pro suffers from an open redirection vulnerability.
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# Exploit Title : vBulletin 4.2.3 vBSecurity v2.2.2 Pro Open Redirection
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 01/03/2019
# Vendor Homepage : vbulletin.com ~ dragonbyte-tech.com
# Software Information Link : dragonbyte-tech.com/store/vbsecurity.123/
# Software Affected Version : 2.2.2 Pro
Compatible with vBulletin 3.8.x - vBulletin 4.x.x
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : Medium
# Google Dorks : intext:''vBulletin Security provided by vBSecurity v2.2.2 (Pro)''
intext:Powered by vBulletin(r) Version 4.2.3
intext:Extra Tabs by vBulletin Hispano
intext:vBulletin Mods & Addons Copyright (c) 2019 DragonByte Technologies Ltd.
# 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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vBSecurity keeps a watchful eye over your forum even when you
are not there, and has the capability to alert you of any suspicious activity.
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# Impact :
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This web application vBulletin 4.2.3 vBSecurity v2.2.2 Pro 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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/vbulletin/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/vBulletin/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/forum/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/forums/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
/redirect-to/?redirect=[OPEN REDIRECTION VULNERABILITY]
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team
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