XSS in NinkoBB

vendor:

NinkoBB

by:

High-Tech Bridge SA - Ethical Hacking & Penetration Testing

5,5

CVSS

MEDIUM

XSS (Cross Site Scripting)

CWE

Product Name: NinkoBB

Affected Version From: 1.3RC5

Affected Version To: Prior versions

Patch Exists: NO

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Browser

2010

User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "users.php" script to properly sanitize user-supplied input in "msn","aim","first_name" and "last_name" variables. 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.

Mitigation:

Input validation and output encoding should be used to prevent XSS attacks.

Source

Exploit-DB raw data:

Vulnerability ID: HTB22652
Reference: http://www.htbridge.ch/advisory/xss_in_ninkobb.html
Product: NinkoBB 
Vendor: NinkoBB  ( http://ninkobb.com ) 
Vulnerable Version: 1.3RC5 and probably prior versions 
Vendor Notification: 13 October 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
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 "users.php" script to properly sanitize user-supplied input in "msn","aim","first_name" and "last_name" variables. 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/users.php?a=profile" method="post" />
<input type="hidden" name="first_name" value=""><script>alert('XSS1');</script>">
<input type="hidden" name="last_name" value=""><script>alert('XSS2');</script>">
<input type="hidden" name="msn" value=""><script>alert('XSS3');</script>">
<input type="hidden" name="aim" value=""><script>alert('XSS4');</script>">
<input type="submit" name="profile" value="submit">
</form>