FlatNuke index.php cross-site scripting

flatnuke-indexphp-xss (22101) The risk level is classified as MediumMedium Risk

Description:

FlatNuke is vulnerable to cross-site scripting, caused by an input validation error in the vis_reg function in the index.php script. A remote attacker could create a specially-crafted URL to the index.php script containing embedded code in the usr parameter. When the link is clicked, the code is executed, allowing an attacker to steal the victim's cookie-based authentication credentials.

Platforms Affected:

  • FlatNuke, FlatNuke 2.5.6

Remedy:

No remedy available as of July 4, 2009.

Consequences:

Gain Access

References:

  • FlatNuke Web site, FlatNuke Home page at http://flatnuke.sourceforge.net/flatnuke/.
  • RGod's Advisory - FlatNuke on Bugtraq, Flatnuke 2.5.6 Underlying system information disclosure / Administrative & users credentials disclosure at http://seclists.org/lists/bugtraq/2005/Aug/0440.html.
  • BID-14704: FlatNuke USR Parameter Cross-Site Scripting Vulnerability
  • CVE-2005-2814: Cross-site scripting (XSS) vulnerability in FlatNuke 2.5.6 allows remote attackers to inject arbitrary web script or HTML via the usr parameter in a vis_reg operation to index.php.
  • SECTRACK ID: 1014824: FlatNuke `id` Parameter Discloses Files to Remote Users and Other Bugs Permit Cross-Site Scripting and Denial of Service Attacks

Reported:

Aug 31, 2005

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For corrections or additions please email xforce@iss.net

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