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Vulnerability of WordPress Quizlord: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of WordPress Quizlord, in order to run JavaScript code in the context of the web site.
Vulnerable software: WordPress Plugins ~ not comprehensive.
Severity of this announce: 2/4.
Creation date: 18/09/2018.
Références of this computer vulnerability: CVE-2018-17140, VIGILANCE-VUL-27253.

Description of the vulnerability 

The Quizlord plugin can be installed on WordPress.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of WordPress Quizlord, in order to run JavaScript code in the context of the web site.
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This vulnerability note impacts software or systems such as WordPress Plugins ~ not comprehensive.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability is medium.

The trust level is of type unique source, with an origin of document.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer threat note.

Solutions for this threat 

WordPress Quizlord: workaround.
A workaround is to disable WordPress Quizlord.
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