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Cross-Site Scripting (XSS) vulnerability in gpEasy

Advisory ID:HTB23137
Vulnerable Versions:3.5.2 and probably prior
Tested Version:3.5.2
Advisory Publication:January 2, 2013 [without technical details]
Vendor Notification:January 2, 2013
Vendor Fix:January 2, 2013
Public Disclosure:January 23, 2013
Latest Update:January 15, 2013
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2013-0807
Risk Level:Low
CVSSv2 Base Score:2.6 (AV:N/AC:H/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 Security Research Lab discovered vulnerability in gpEasy, which can be exploited to perform Cross-Site Scripting (XSS) attacks.

1) Cross-Site Scripting (XSS) in gpEasy: CVE-2013-0807
The vulnerability exists due to insufficient sanitisation of user-supplied data in "section" HTTP GET parameter passed to "index.php" script. A remote attacker can trick logged-in administrator to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.
The exploitation example below uses the "alert()" JavaScript function to display administrator's cookies:
http://[host]/?cmd=new_section& okie%29;%3C/script%3E

ImmuniWeb® On-Demand Web Application Penetration Test

Upgrade "include/tool/editing_page.php" script to the latest version from GitHub.

More Information:

[1] High-Tech Bridge Advisory HTB23137 - - Cross-Site Scripting (XSS) vulnerability in gpEasy.
[2] gpEasy - - gpEasy is a complete and easy to use Content Management System written in PHP.
[3] Common Vulnerabilities and Exposures (CVE) - - 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) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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