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Vulnerability of WordPress Photocart Link: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of WordPress Photocart Link, in order to read a file outside the service root path.
Impacted software: WordPress Plugins ~ not comprehensive.
Severity of this computer vulnerability: 2/4.
Creation date: 29/03/2016.
Références of this announce: VIGILANCE-VUL-19258.

Description of the vulnerability 

The Photocart Link 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 Photocart Link, in order to read a file outside the service root path.
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This security threat impacts software or systems such as WordPress Plugins ~ not comprehensive.

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

The trust level is of type unique source, 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 threat alert.

Solutions for this threat 

WordPress Photocart Link: workaround.
A workaround is to disable WordPress Photocart Link.
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