vBulletin 4.2.5 vBSuper_PM 1.2.3 Lite Open Redirection

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# Exploit Title : vBulletin 4.2.5 vBSuper_PM 1.2.3 Lite Open Redirection  
# Author [ Discovered By ] : KingSkrupellos  
# Team : Cyberizm Digital Security Army  
# Date : 04/03/2019  
# Vendor Homepage : vbulletin.com/org ~ dragonbyte-tech.com  
# Software Information Link : vbulletin.org/forum/showthread.php?p=2583345  
vbulletin.org/forum/member.php?u=373913  
# Software Affected Version : 1.2.3  
Compatible with vBulletin 4.x.x  
# Software Price Type : Free/Paid Download  
# Tested On : Windows and Linux  
# Category : WebApps  
# Exploit Risk : Medium  
# Google Dorks : intext:Super PM System provided by vBSuper_PM v1.2.3 (Lite)  
# 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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vBSuper PM's - Private Message Manager   
  
Plain and simple, it is a full PM system enhancement.  
  
It has many options for admins to control how the members use pm's on their site   
  
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# Impact :  
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This web application vBulletin 4.2.5 vBSuper_PM 1.2.3 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=https://www.[REDIRECTION-ADDRESS].gov  
  
/forums/redirect-to/?redirect=https://www.[REDIRECTION-ADDRESS].gov  
  
/forum/redirect-to/?redirect=https://www.[REDIRECTION-ADDRESS].gov  
  
/bbs/redirect-to/?redirect=https://www.[REDIRECTION-ADDRESS].gov  
  
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team   
  
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