BugTraq
CVE-2007-1871: Cross site scripting in chcounter 3.1.3 Apr 11 2007 11:42PM
Hanno Böck (mail hboeck de)
Cross site scripting in chcounter 3.1.3

security advisory

References:
http://chcounter.org/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1871

Description:
Cross site scripting describes attacks that allow to insert malicious
html or javascript code via get or post forms. This can be used to steal
session cookies.
chcounter is some free software php script for website statistics. The
login form on the start page can be used to insert javascript code.

Workaround/Fix:
There's no vendor fix.
Vendor has been contacted 2007-03-11 and has not answered yet.

Sample Code:
<form method=post action=http://chcounterinstallation/stats/>
<input type=hidden name=login_name value='"><script>alert(1)</script>'>
<input type=submit>
</form>

CVE Information:
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-1871 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

Credits and copyright:
This vulnerability was discovered by Hanno Boeck of schokokeks.org
webhosting.
It's licensed creative commons attribution:
http://creativecommons.org/licenses/by/3.0/

Hanno Boeck, 2007-04-12, www.hboeck.de
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