Vulnerability Note VU#782243

TDForum does not adequately validate user input thereby allowing users to embed malicious script code in messages

Overview

TDForum does not properly filter HTML scripting tags from user input, allowing users to post malicious scripts that may be executed unwittingly by other users.

I. Description

TDForum is a commercial software package providing dynamic web forum capabilities. Versions 1.2 and earlier of TDForum do not properly filter HTML tags, allowing malicious users to execute client-side scripting on other users' systems.

II. Impact

Users may be tricked into running scripts embedded in forum posts by malicious users.

III. Solution

The CERT/CC is currently unaware of a practical solution to this problem.

Systems Affected

Vendor	Status	Date Notified	Date Updated
TD Scripts	Vulnerable	23-Sep-2002

References

CA-2000-02
http://www.ciac.org/ciac/bulletins/k-021.shtml
http://www.cert.org/advisories/CA-2000-02.html
http://www.securityfocus.com/bid/3207

Credit

Thanks to Larry Lung for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

Date Public:	2001-08-21
Date First Published:	2002-09-26
Date Last Updated:	2002-09-26
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Severity Metric:	2.14
Document Revision:	8

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