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Multiple XSS in Fork CMS

Advisory ID:HTB23075
Product:Fork CMS
Vendor:Fork CMS
Vulnerable Versions:3.2.5 and probably prior
Tested Version:3.2.5
Advisory Publication:February 15, 2012 [without technical details]
Vendor Notification:February 15, 2012
Vendor Fix:February 28, 2012
Public Disclosure:March 7, 2012
Latest Update:February 28, 2012
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2012-1188
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

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

1) Cross-Site Scripting (XSS) in Fork CMS: CVE-2012-1188

1.1 Input passed via the "type" and "querystring" GET parameters to /private/en/error 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 (Proof of Concept) demostrate the vulnerability:

http://[host]/private/en/error?type=%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
http://[host]/private/en/error?type=action-not-allowed&querystring=%3Cscript%3Ealert%28document.cook ie%29;%3C/script%3E.1

1.2 Input passed via the "name" GET parameter to /private/en/locale/index 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 (Proof of Concept) demostrates the vulnerability:

http://[host]/private/en/locale/index?name=%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3 E


Solution:
Upgrade to Fork CMS 3.2.7 or later.

More information:
http://www.fork-cms.com/blog/detail/fork-cms-3-2-7-released


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References:
[1] High-Tech Bridge Advisory HTB23075 - https://www.htbridge.com/advisory/HTB23075 - Multiple XSS in Fork CMS.
[2] Fork CMS - http://www.fork-cms.com/ - Fork is an open source cms that will rock your world.
[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.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
Previous Security Advisories with CWE-79: HTB23074: Multiple XSS in Dotclear HTB23073: Multiple XSS in Chyrp

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