Member Management System "REF_URL" Cross-Site Scripting Vulnerability
Description
r0t has reported a vulnerability in Member Management System, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed via the "REF_URL" parameter to admin/index.asp is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerability is reported in version 4.0. Other versions may also be affected.
Vulnerable Products
Vulnerable Software: Member Management System 4.x
Solution
Edit the source code to ensure that input is properly sanitised.