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Message-ID: <1bd57e94-6068-e9cf-8e64-4d2d852d6ccd@securify.nl> Date: Wed, 1 Mar 2017 07:04:32 +0100 From: Summer of Pwnage <lists@...urify.nl> To: bugtraq@...urityfocus.com Subject: Cross-Site Scripting vulnerability in Gwolle Guestbook WordPress Plugin ------------------------------------------------------------------------ Cross-Site Scripting vulnerability in Gwolle Guestbook WordPress Plugin ------------------------------------------------------------------------ Radjnies Bhansingh, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A Cross-Site Scripting vulnerability was found in the Gwolle Guestbook WordPress plugin. This issue allows an attacker to perform a wide variety of actions, such as stealing Administrators' session tokens, or performing arbitrary actions on their behalf. In order to exploit this issue, the attacker has to lure a WordPress user with editor or administrator privileges into opening a malicious website. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160712-0033 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was succesfully tested on the Gwolle Guestbook WordPress Plugin version 1.7.4. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ This issue was fixed in Gwolle Guestbook version version 2.1.1. The most recent version of Gwolle Guestbook can be obtained from the following location: https://wordpress.org/plugins/gwolle-gb/ ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/cross_site_scripting_vulnerability_in_gwolle_guestbook_wordpress_plugin.html ------------------------------------------------------------------------ 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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