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Vulnerability of WordPress Tera-chart: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of WordPress Tera-chart, in order to read a file outside the service root path.
Impacted systems: WordPress Plugins ~ not comprehensive.
Severity of this alert: 2/4.
Creation date: 15/07/2014.
Références of this alert: CVE-2014-4940, VIGILANCE-VUL-15041.

Description of the vulnerability 

The Tera-chart plugin can be installed on WordPress.

However, user's data are directly inserted in an access path. Sequences such as "/.." can thus be used to go in the upper directory.

An attacker can therefore traverse directories of WordPress Tera-chart, in order to read a file outside the service root path.
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This cybersecurity bulletin impacts software or systems such as WordPress Plugins ~ not comprehensive.

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

The trust level is of type confirmed by a trusted third party, with an origin of internet client.

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 vulnerability bulletin.

Solutions for this threat 

WordPress Tera-chart: workaround.
A workaround is to disable WordPress Tera-chart.
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