full-disclosure - [0 Day] XSS Persistent in Blogspot of Google

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Date: Mon, 21 Jan 2013 21:01:33 -0200
From: ANTRAX <antrax.bt@...il.com>
To: WHK Yan <yan.uniko.102@...il.com>
Cc: fdkaos2000@...oo.es, vuln@...unia.com, submissions@...ketstormsecurity.com,
	submit@...ecurity.com, full-disclosure@...ts.grok.org.uk,
	mr.inj3ct0r@...il.com, vuldb@...urityfocus.com, el-brujo@...acker.net
Subject: [0 Day] XSS Persistent in Blogspot of Google

Hi all, I'm ANTRAX from Argentina, and I'm owner of www.underc0de.org
Today, I going to shared with you about XSS in blogger. This is a very
simple, but isn´t fix yet..
This bug could be exploited by bloggers without administrator permissons.

Steps to reproduce the XSS:

1.- Create a new post in the blog and insert some script

[image: Imágenes integradas 1]

2.- When the administrator enter in the administration panel in "templates"
section, blogger automatically executed the script, because blogger have a
mini-preview in "Ahora en el blog", then execute the script

[image: Imágenes integradas 2]

3.- Ready! the script has been executed!

[image: Imágenes integradas 3]

Also, you can steal cookies!

[image: Imágenes integradas 4]

I reported to google about it, but they not fixed yet.

Kind regards partners!

*ANTRAX*

Content of type "text/html" skipped

Download attachment "Blogger XSS.png" of type "image/png" (240406 bytes)

Download attachment "xss4.png" of type "image/png" (31412 bytes)

Download attachment "xss2.png" of type "image/png" (121499 bytes)

Download attachment "xss1.png" of type "image/png" (30859 bytes)

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