Vulnerability reports

https://www.exploitalert.com/view-details.html?id=35308
https://cxsecurity.com/ascii/WLB-2020040103

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# Exploit Title : WordPress Weekender Newspaper Themes 9.0 Open Redirection
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 16/04/2020
# Vendor Homepage : tagdiv.com
# Software Information Link : 
themesinfo.com/newspaper-best-wordpress-magazine-theme-j
themesinfo.com/?search_type=anywhere&search=weekender&s=1
themeforest.net/item/newspaper/5489609
# Software Affected Versions : 7.8.1 and 9.0 
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : Medium
# 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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# Impact :
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WordPress Weekender Newspaper Themes 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 Vulnerable File :
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/friend.php

# Open Redirection Vulnerable Parameter  :
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?id=MTA0&link=

# Open Redirection Exploit :
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/wp-content/themes/weekender/friend.php?id=MTA0&link=[Base64EncodedLinkHere]

Note : Convert any random desired redirection website address into the Base64 Encoded Link
and add after &link= 

Example 1 => aHR0cHM6Ly9jeHNlY3VyaXR5LmNvbS8=   stands for cxsecurity.com

Example 2 => aHR0cHM6Ly93d3cuY3liZXJpem0ub3JnLw==   stands for cyberizm.org

Example 3 => aHR0cDovL2V4cGxvaXQ0YXJhYi5vcmcv   stands for exploit4arab.org

Example 4 => aHR0cHM6Ly9wYWNrZXRzdG9ybXNlY3VyaXR5LmNvbS8=  stands for packetstormsecurity.com

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# Example Vulnerable Sites :
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Themes used on 58,474 websites totally

[+] southasianweekender.ca/wp-content/themes/weekender/friend.php?id=MTA0&link=aHR0cHM6Ly9jeHNlY3VyaXR5LmNvbS8=

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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team 

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