ZH2003-21SA (security advisory): DcForum+ XSS Vulnerability

[G00db0y <G00db0y@zone-h.org>]

ZH2003-21SA (security advisory): DcForum+ XSS Vulnerability


Published: 10 august 2003

Released: 10 august 2003

Name: DcForum+

Affected Systems: 1.2

Issue: Remote attackers can inject XSS script

Author: G00db0y@zone-h.org

Vendor: http://www.dcscripts.com/dcforump.shtml

Description

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Zone-h Security Team has discovered a flaw in 
DcForum+ 1.2  (and older versions?). DcForum+ is a very user friendly 
bulletin board program that utilitzes mySQL server on the backend and
PHP on the front end.



Details

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It's possibile to inject XSS script in the subject variable.

For example try this:

Your Name: Zone-h Security Team

Your Email: test@test.com

Your Subject: <script>alert(Zone-h)</script>

Your Message: Zone-h.org



Solution:

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The vendor has been contacted and a patch was produced.


Suggestions:

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Filter the subject variable.


G00db0y - www.zone-h.org admin

Original advisory here: http://www.zone-h.org/en/advisories/read/id=2865/