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Scripts4webmasters.com TRACKtheCLICK Script Injection Vulnerabilities Discovered By Chris Rahm (aka: BrainRawt) (brainrawt@haxworx.com <mailto:brainrawt@haxworx.com>) About TRACKtheCLICK: -------------------- A perl coded CGI that tracks your email, ezine, banner, and web site links. TRACKtheCLICK outputs log information to a data file that in return is viewable in an organized HTML format through the use of another CGI called admin.cgi. TRACKtheCLICK can be downloaded from the following address. <http://www.scripts4webmasters.com/clicktracking/index.shtml> Vulnerable Version: ------------------- Version 1.0 Vendor Contact: ---------------- 10-5-03 - Emailed webmaster@scripts4webmasters.com <mailto:webmaster@scripts4webmasters.com> 10-10-03 - No Response Vulnerability: ---------------- Due to a lack of filtering in click.cgi, scalars $agent and $referer are vulnerable to script injection. An individual can inject malicious code to the data file by spoofing their User-Agent: and/or Referer:. When the data file is opened by admin.cgi, the injected code will be executed by that persons browser. --------------------------------------------------------------------------