Bug: Limny 3.0.1 Cross Site Scripting ( Ascii Version )

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Limny 3.0.1 Cross Site Scripting

Published / (Updated)
Credit
Risk
2012-01-05 / 2012-10-10
Gjoko 'LiquidWorm' Krstic
Low
CWE
CVE
Local
Remote
CWE-79
CVE-2012-5343
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

Limny 3.0.1 (login.php) Remote URI Based Cross-Site Scripting Vulnerability


Vendor: Hamidreza Samak
Product web page: http://www.limny.org
Affected version: 3.0.1

Summary: Limny is a free and open-source content management framework
with a focus on ease to use and develop. It can be used as a stable
and powerful core for heavy and light web applications by having main
features of web applications such as user management, multilingual system
and multiple theme support. Also its rich graphic library helps designers
to create colorable themes instead of designing multiple themes.

Desc: Limny suffers from a XSS issue in '/admin/login.php' that uses the
'PHP_SELF' variable. The vulnerability is present because there isn't any
filtering to the mentioned variable in the affected script. Attackers can
exploit this weakness to execute arbitrary HTML and script code in a user's
browser session.


=======================================================================
/admin/login.php:
-----------------------------------

100: <form name="limny_login" action="<?php print $_SERVER['PHP_SELF']; ?>"
method="post">

=======================================================================


Tested on: Microsoft Windows XP Professional SP3 (EN)
Apache 2.2.21
MySQL 5.5.16
PHP 5.3.8


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2012-5066
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5066.php


04.01.2012

---


PoC:

http://localhost/admin/login.php/"/><script>alert('zsl')</script>

References:

http://www.limny.org/
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5066.php

See this note in TXT Version

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Ascii Version