Name : XSS Vulnerabilities in Flat Nuke
Software : Flat Nuke v3.1.2 and possibly below.
Vendor Homepage :
Vulnerability Type : Cross-Site Scripting
Severity : Critical
Researcher : Omar Kurt
Advisory Reference : NS-14-003

Flat Nuke is affected by XSS vulnerabilities in version 3.1.2.

Example PoC urls are as follows :

  • XSS'"--></style></script><script>alert(0x0010ED)</script>'"--></style></script><script>alert(0x0010F2)</script>

You can read the full article about Cross-Site Scripting vulnerabilities from here :


Fixed in v3.1.3.

Advisory Timeline

13/12/2013 - First Contact - Request Security contact
24/12/2013 - Sent Vulnerabilities Details
25/12/2013 - Vulnerabilities Fixed by Developer
29/01/2014 - Advisory Released

It has been discovered on testing of Netsparker Web Application Security Scanner.

About Netsparker
Netsparker® can find and report security issues such as SQL Injection and Cross-site Scripting (XSS) in all web applications regardless of the platform and the technology they are built on. Netsparker's unique detection and exploitation techniques allows it to be dead accurate in reporting hence it's the first and the only False Positive Free web application security scanner.