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computer vulnerability 21875

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.
Consequences of an intrusion: client access/rights.
Pirate's origin: document.
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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