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Vulnerability of WordPress iThemes Security: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of WordPress iThemes Security, in order to run JavaScript code in the context of the web site.
Vulnerable systems: WordPress Plugins ~ not comprehensive.
Severity of this threat: 2/4.
Creation date: 06/04/2016.
Références of this weakness: VIGILANCE-VUL-19310.

Description of the vulnerability 

The iThemes Security 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 iThemes Security, in order to run JavaScript code in the context of the web site.
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This computer threat alert impacts software or systems such as WordPress Plugins ~ not comprehensive.

Our Vigil@nce team determined that the severity of this weakness announce is medium.

The trust level is of type confirmed by the editor, 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 beginner ability can exploit this computer weakness bulletin.

Solutions for this threat 

WordPress iThemes Security: version 5.3.5.
The version 5.3.5 is fixed:
  https://fr.wordpress.org/plugins/better-wp-security/
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