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Vulnerability of WordPress Corner Ad: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of WordPress Corner Ad, in order to run JavaScript code in the context of the web site.
Impacted systems: WordPress Plugins ~ not comprehensive.
Severity of this alert: 2/4.
Creation date: 17/02/2017.
Références of this alert: VIGILANCE-VUL-21875.

Description of the vulnerability 

The Corner Ad 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 Corner Ad, in order to run JavaScript code in the context of the web site.
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This security note impacts software or systems such as WordPress Plugins ~ not comprehensive.

Our Vigil@nce team determined that the severity of this threat 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 technician ability can exploit this computer weakness announce.

Solutions for this threat 

WordPress Corner Ad: version 1.0.8.
The version 1.0.8 is fixed:
  https://wordpress.org/plugins/corner-ad/
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