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Date: Tue, 5 Mar 2013 10:35:43 +0100
From: alej andr0 <>
To: undisclosed-recipients:;
Subject: WordPress Count-Per-Day plugin 3.2.5. Type-1
 (reflected) Cross Site Scripting (XSS)

# WordPress Count-Per-Day plugin 3.2.5. Type-1 (reflected) Cross Site
Scripting (XSS)
# affected versions <= 3.2.5. (tested on 3.2.5, 3.2.3)
# impact:
# - code execution in browser context
# author: alejandr0.m0f0

1/ navigate to the page:

2/ bottom of the page: "visitors per day"
current date is printed (e.g., 2013-03-04)
replace this field by
2013-03-04"><img src=x onerror=alert(1)>
press show.

3/ request is submitted, server reflects the sent value. filter on
server side is identity, thus pretty easy to exploit.
the payload gets executed.
e.g., of exploitation:
POST .../wordpress/wp-admin/?page=cpd_metaboxes HTTP/1.1

# requirements: victim should be authenticated as user having access
to this plugin (e.g., admin)
# this is still a practical attack in case e.g. attacker embeds an
iframe on a website he controls, and assuming the victim is logged in
wordpress, then the SOP access control is bypassed.

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