Cross-site Scripting Vulnerability in Acuity CMS

Advisory ID:HTB22352
Product:Acuity CMS
Vendor:The Collective
Vulnerable Versions:2.6.3 (ASP)
Tested Version:2.6.2 (ASP) and Probably Prior Versions
Advisory Publication:April 19, 2010 [without technical details]
Vendor Notification:April 19, 2010
Public Disclosure:May 3, 2010
Vulnerability Type:Cross-Site Scripting [CWE-79]
Risk Level:Low
CVSSv2 Base Score:2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:Not Fixed
Discovered and Provided:High-Tech Bridge Security Research Lab

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered a vulnerability in Acuity CMS which could be exploited to perform cross-site scripting (XSS) attacks.

1) Cross-site scripting vulnerability in Acuity CMS
Input sanitation error was found in the "page" parameter in /admin/pages/add_page.asp. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in administrator`s browser in context of the vulnerable website.

Exploitation example:

http://host/admin/pages/add_page.asp?page=58%22%3E%3Cscript%3Ealert%28docume nt.cookie%29%3C/script%3E

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Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.

[1] High-Tech Bridge Advisory HTB22352 - - Cross-site Scripting Vulnerability in Acuity CMS
[2] Acuity CMS - - Acuity CMS is a powerful but simple, extremely easy to use, low priced, easy to deploy content management system.
[3] Common Weakness Enumeration (CWE) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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