full-disclosure - [FD] Persistent Cross-Site Scripting in WP Live Chat Support plugin

Open Source and information security mailing list archives

Date: Mon, 11 Jul 2016 16:53:08 +0200
From: "Securify B.V." <lists@...urify.nl>
To: fulldisclosure@...lists.org
Subject: [FD] Persistent Cross-Site Scripting in WP Live Chat Support plugin

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Persistent Cross-Site Scripting in WP Live Chat Support plugin
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Han Sahin, July 2016

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Abstract
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A persistent Cross-Site Scripting (XSS) vulnerability has been found in
the WP Live Chat Support plugin. By using this vulnerability an attacker
can supply malicious code on behalf of a logged on WordPress user in
order to perform a wide variety of actions, such as stealing victims'
session tokens or login credentials, performing arbitrary actions on
their behalf, and logging their keystrokes.

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Tested versions
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This issue was successfully tested on WP Live Chat Support WordPress
plugin version 6.2.00.

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Fix
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This issue has been fixed in version 6.2.02 of the WP Live Chat Support
plugin. The updated plugin can be downloaded from the following
location:
https://downloads.wordpress.org/plugin/wp-live-chat-support.zip.

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Details
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https://sumofpwn.nl/advisory/2016/persistent_cross_site_scripting_in_wp_live_chat_support_plugin.html

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Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.

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