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Cross-site Scripting (XSS) Vulnerability in Pligg CMS

Advisory ID:HTB22467
Product:Pligg CMS
Vendor:Pligg, LLC
Vulnerable Versions:1.0.4 and probably prior
Tested Version:1.0.4
Advisory Publication:July 1, 2010 [without technical details]
Vendor Notification:July 1, 2010
Public Disclosure:July 15, 2010
Vulnerability Type:Cross-Site Scripting [CWE-79]
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 vulnerability in Pligg CMS which could be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerability in Pligg CMS
The vulnerability exists due to input sanitation error in the "search" parameter in search/search.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation example:
http://host/search/1"><script>alert(document.cookie)</script>


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Solution:
Upgrade to the most recent version


References:
[1] High-Tech Bridge Advisory HTB22467 - https://www.htbridge.com/advisory/HTB22467 - Cross-site Scripting (XSS) Vulnerability in Pligg CMS
[2] Pligg CMS - pligg.com- Pligg CMS is a content management platform that powers tens of thousands of websites.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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