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Moodle 2.8.x < 2.8.10 / 2.9.x < 2.9.4 / 3.0.x < 3.0.2 XSS

Medium

Synopsis

The remote web server is hosting a web application that is vulnerable to a Cross Site Scripting (XSS) attack.

Description

Moodle, an open-source course management system, installed on the remote host is version 2.8.x prior to 2.8.10, or 2.9.x prior to 2.9.4, or 3.0.x prior to 3.0.2, and is affected by a flaw that allows a cross-site scripting (XSS) attack. This flaw exists because the '/moodle/course/management.php' script does not validate the 'search' parameter before returning it to users. This may allow a remote attacker to create a specially crafted request that would execute arbitrary script code in a user's browser session within the trust relationship between their browser and the server.

Solution

Upgrade to Moodle version 3.0.2 or later. If 3.0.x cannot be obtained, versions 2.9.4 or 2.8.10 have also been patched for these issues.