PR07-18: Cross-site Scripting (XSS) / HTML injection on Webbler CMS admin login page (1)
Date Found: 14th June 2007
Successfully tested on: Webbler CMS version 3.1.3. Earlier versions are possibly
affected as well.
Severity: Medium/High
Note: The version number is usually included within 'meta' HTML tags and 'X-Powered-By'
HTTP response headers. i.e. -
<meta name="generator" content="webbler 3.1.3 - http://tincan.co.uk/webbler" />
X-Powered-By: webbler version 3.1.3
Description: Webbler CMS is vulnerable to XSS within the "/uploader/index.php" server-side script
and 'page' parameter.
No authentication is required to exploit this vulnerability.
Consequences: An attacker may be able to cause execution of malicious scripting code in the browser of a
user who clicks on a link to a site generated/managed by Webbler CMS. HTML tags can also
be injected.
This type of attack can result in non-persistent defacement of the target site, or the redirection
of confidential information to unauthorised third parties.
XSS Proof of concept (PoC) URL:
http://target-domain.com/uploader/?page=<script>alert(document.cookie)</script>
HTML injection PoC URL:
http://target-domain.com/uploader/?page=</title><h1>html%20injection%20test</h1>
Successfully tested on:
Server environment -
Webbler CMS 3.1.3
PHP 5.1.6
Apache web server (unknown version)
Client environment -
Microsoft Internet Explorer 7.0.5730.11
Author: Adrian Pastor [adrian.pastor [at] procheckup.com]. ProCheckUp thanks Tincan for fixing this vulnerability so promptly.
Fix:
This issue has been fixed on version version 3.1.6.
References:
http://tincan.co.uk/webbler
http://tincan.co.uk/?lid=1975
http://www.procheckup.com/Vulner_2007.php
Legal:
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